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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

What’s the worst thing you’ve ever done?

948 replies

shehardlysleeps · 20/04/2026 17:18

I’m in a reflective mood, and it’s got me thinking about something I did a few years ago which is probably the thing I’m most deeply ashamed of.

There was a coworker who really rubbed me up the wrong way. I was very unhappy at the time, and going through an awful time personally. She would make snide comments about me, do things with my family members (who were colleagues too) which really got my back up, I felt like she judged me harshly and was pretty rude. Along with another colleague they made three or four very nasty comments which still stick with me.

Instead of raising a grievance, which I should have done, I took to posting about her on another website (along the lines of Mumsnet), not realising she used it too. She saw the posts and reported me, and I ended up facing a meeting with HR and a senior partner of the firm I was working in. It damaged my reputation within the firm forever and I ended up leaving after not being offered a promotion. I still feel ashamed of it now, nearly half a decade on, and feel like it’s tarred me forever.

Whats the worst thing you’ve ever done?

OP posts:
EvieBB · 23/04/2026 08:43

iamfedupwiththis · 20/04/2026 17:28

Not sure if having a poo outside as I was desperate is better or worse than an affair.

Ha.....oh I've done that more than once (when desparate!) on a forest walk off the beaten track and then covered it up....I wouldn't worry about it....unless it was in someone's garden 😱😂

EvieBB · 23/04/2026 08:49

LapisBlue · 20/04/2026 17:44

I slept with two men on one day. On two separate occasions, four guys in total, as it were.

Oh wow - were they the same two guys or 4 different ones? How did that happen?

EvieBB · 23/04/2026 08:52

Nollie · 20/04/2026 17:59

I see your 2 men and raise you one man and one woman (separately) on the same day. I wish that was the worst thing I'd done in my life...

Wow, that must've been an orgy situation, yes?

Clipperchill · 23/04/2026 09:01

newnamebaybee · 23/04/2026 07:15

I did a few bits as a teen - stealing, hitting kids I babysat for ( iwas regularly beaten myself)

But this one was only last week-

I was at mils and she was as usual making digs at me that dh never seems to hear. I went to the toilet and saw her new hand towels that she had bragged about being v expensive. I had a wee and then thoroughly dried my vagina on her naice towel. Felt much better after that.

🤣 🤣🤣

EvieBB · 23/04/2026 09:02

MycactusandI · 20/04/2026 18:26

Stole from my parents' coin jar and bought loads of sweets. My mum worked out what I had done and the girl i was playing with was banned from seeing me.

I also had lots of dubious hook ups at uni and in 20s. Had a particular thing for attached men. I used to think it was all due to low self esteem, now I think it was more of a dopamine chasing mission (although they prpbably go hand in hand)

Yeah, me and my neighbour's kid used to steal from our (respective) parents coin jars (regularly) and skip down the road to buy sweets (laughing all the way at how sneaky we were) - we were about 9 or 10.... until we were found out!
And yes I think low self esteem and needing dopamine hits definitely go hand on hand x

EvieBB · 23/04/2026 09:10

SerendipityCat · 20/04/2026 18:31

Accidentally killed a duck, or at least contributed to a duck's death. I was about 10, and skimming flat stones across a local pond. I found a perfectly shaped, perfectly weighted stone and launched it with all my might. It skipped beautifully a couple of times and hit an unfortunate mallard drake smack on the back of the head. It gave a piteous quack, its neck fell to the side at an odd angle, and it started paddling in circles. As if I wasn't horrified enough, three or four other drakes immediately attacked it, and pecked it to death.

I still feel guilty nearly 60 years on!

OMG!? What a horrible shock! It's not like you did it on purpose but Christ, what a thing to witness 😱😮 I think you need to forgive yourself though 💐♥️

CrispyBeer · 23/04/2026 09:13

The stealing sweets ones reminded me of this.

My friend used to only have them once in a blue moon, never just 'in the home'.

One day I was at hers & her mum popped out to the shop (we were 9) she got out this bag of jellybeans that she'd found hidden & said that it must be her mum's. She said that we could both have 2 but that I mustn't tell (I felt very naughtyGrin)

Afterwards though, she said that we now both had to have mouthwash to disguise the smell. I didn't really want to but she got panicky saying that we must otherwise her mum would smell it. Having never had mouthwash before, it tasted foul to me. I was gagging & said that next time I'd rather not have a sweet if it meant I'd have to have the mouthwashGrin

EvieBB · 23/04/2026 09:14

Yellowpapersun · 20/04/2026 18:24

My horrible grandmother remarried to an even more horrible man. He used to try to feel mine and my girl cousins' thighs and told me to open my mouth when he kissed me. I hated him. They used to come round one evening every week and I used to offer to make the last cup of tea before they went home. I used to spit in his cup, every single week. Over the years he must have drunk a gallon of my spit.
When he died my boyfriend and I went for a drink to celebrate. My friend was in the pub and I told her Uncle Sid was dead and she said Hooray! 😂

Jesus, sorry you had to deal with that utter creep ugh! Good on you for spitting in his tea but I don't know why you would even bother to entertain them every week if he behaved like that. Did you ever tell grandma he was a disgusting pervert??

EvieBB · 23/04/2026 09:15

csandsickofit · 20/04/2026 18:35

Does karma still happen if the nasty person is genuinely sorry?
when I was young (14, many many years ago) I was really mean to a guy. I still think about it, and I am mortified. Only excuse was I was childish and stupid. I actually tried to contact him a few years ago via FB but he never replied. I would really just like to tell him that I am so so sorry, and that over 50 years on I am still aghast as how mean I was.

What did you do????

tooashamed26 · 23/04/2026 09:27

EvieBB · 23/04/2026 08:52

Wow, that must've been an orgy situation, yes?

You think have sex with two separate people in one day is an orgy?

Also saying 'wow' doesn't hide your judgy pants.

Poobs2022 · 23/04/2026 09:32

Mrsgreen100 · 20/04/2026 21:55

After discovering my ex of 29 years had been living a lie and cheating etc
he was still living in my home before breaking the news to our child , for two nights
I could not bear to have him in the kitchen etc
so because we lived miles from delivery food etc and he had nothing to eat
I made him a sandwich which I left outside the spare room door for him
before doing so wiped the dogs arse with it
Poor dog it was sour dough so not very soft a wipe 😞

I think this is one of the funniest things I've ever read 🤣

EvieBB · 23/04/2026 09:35

IFeelHorribleStill · 20/04/2026 19:20

A bird ended up down the chimney. We phoned our gas engineer about taking the fire out and he recommended leaving it because the bird would get released depositing soot and bird poo everywhere. So that’s what we did. We left it to die.

😱😫

Pattaya · 23/04/2026 09:49

LapisBlue · 20/04/2026 17:44

I slept with two men on one day. On two separate occasions, four guys in total, as it were.

That's nothing to be ashamed of bet you had a fun time.

I had two 3somes in a week whilst on holiday.
Then done the same again on my following holiday a year later.

Not a bad thing we was all up for it, caught in the moment.

BigBruisedFruit · 23/04/2026 09:58

Had an affair with a senior colleague. I was in a relationship and he was married. It's been almost ten years since it ended and I think about it every day. I'm so ashamed and can't believe I did something so awful and betrayed my partner at the time. I can't reconcile it with my belief that I'm not a bad person.

Yellowpapersun · 23/04/2026 10:16

EvieBB · 23/04/2026 09:14

Jesus, sorry you had to deal with that utter creep ugh! Good on you for spitting in his tea but I don't know why you would even bother to entertain them every week if he behaved like that. Did you ever tell grandma he was a disgusting pervert??

It was a different time, things were kept quiet. If I'd told grandmother she wouldn't have believed it. Also I had no choice really but to put up with them. As soon as I left home to go to Univ I rarely saw them again.

TrishM80 · 23/04/2026 10:26

Dolphin78 · 22/04/2026 18:00

Imagine if this was a men’s group….just leaving that there to think about for a moment

Indeed. The next person that posts the obligatory "all men are evil" thread would do well to read this one.

Nollie · 23/04/2026 10:31

EvieBB · 23/04/2026 08:52

Wow, that must've been an orgy situation, yes?

Nah. One in the morning and one in the evening. They didn't know each other. I was in the throes of clinical depression and self esteem was at rock bottom. Not that that's an excuse really.

EvieBB · 23/04/2026 10:32

tooashamed26 · 23/04/2026 09:27

You think have sex with two separate people in one day is an orgy?

Also saying 'wow' doesn't hide your judgy pants.

Ha ha....no the wow was not meant in any way judgy....it was wow that's amazing! You've misunderstood me
I've lived a v sheltered life and just wondered how it came about that's all....just interested/nosey x

Nollie · 23/04/2026 10:34

I'm not proud of it. They were both nice people who thought they were in an exclusive relationship with me. They didn't deserve my cheating on them.

UnctuousUnicorns · 23/04/2026 11:15

EvieBB · 23/04/2026 09:35

😱😫

We paid £50 - must be ten or fifteen years ago now - to have our gas fire disconnected to let out a starling that had flown down our chimney. It flew all around the living room, wouldn't go out the open windows, presumably too disorientated. We managed to trap it in a towel and release it out the door from where it flew away, thankfully.

My stupidity was responsible for the deaths of those baby birds mentioned in my previous post, I still feel terrible about that to this day. 😢

Wannabegreenfingers · 23/04/2026 11:32

I had a one night stand whilst married to my ex-husband. Not big or clever, but in a really bad place and made a huge mistake. Despite being divorced and ex-remarrying, he still gives me abuse for it 11 years later and has just got our teenage children involved. It feels like he will never let it go and still blames me for everything bad that happens, despite being happily remarried to the women he left me for after a number of years of trying to make our marriage work. I'm so exhausted with it all.

SexyFrenchDepression · 23/04/2026 11:34

iamfedupwiththis · 20/04/2026 17:28

Not sure if having a poo outside as I was desperate is better or worse than an affair.

I think I would be more comfortable having an affair 😂

HaveYouHadYourBreak · 23/04/2026 12:26

ToffeePennie · 21/04/2026 21:35

A little thing I can admit to, and I find amusing, is to do with my husband on garden leave.
He had been informed he was on a verbal warning for refusing to do work which was both illegal and could have resulted in maiming, injury or deaths. (Think safety switches in a factory being removed - that kind of thing) He hadn’t had the appropriate training and was given a piece very different from the part he was asked to replace, refused to do it without the appropriate training or the directors signature on the work, meaning that if anything happened my husband would be liable for any jail time.
Naturally my husband refused and was given a verbal warning over the weekend. He fought it with his union rep on the Monday and got it removed. However, by the Tuesday, it was back and had been advanced to a written warning (although we never saw it) for insubordination.
Husband was seriously stressed, we have a new baby; he’s being told to do stuff he cannot do and commit to more hours and garden leave became his only proper option.
He found another job within 2 days, jumped ship and the day he left, I mailed a bag of elephant poo to the Managing Director.
We still know people who work there, apparently every year they hear about the MD getting something else from the random corporate client, opening at his desk and getting glitter bombed, covered in grass cuttings or getting a big bag of dicks to eat. One year I emailed him and sent a video of a cockroach with his name on being fed to a snake at a zoo. I send a different package every year on his birthday. This year will be a singing card that doesn’t stop even in water and if it’s ripped open…glitter and still singing. I’m asking for it to play “no more fucks to give” because he really hates swearing!
And no, he won’t recognise me from this post because he did this shit to so many employees!!

Maybe you need to let it go now. That's a lot of energy and presumably money and time you are putting into this.

I'd very surprised if they didnt think it was related to your husband. He leaves under a cloud (not of his making) and suddenly the boss starts getting horrible presents?...

Respect to your husband for standing his ground but even if he had, had the signed evidence, he would still have been liable as the person who did the action knowing it was illegal/dangerous.

user9578 · 23/04/2026 12:27

BigBruisedFruit · 23/04/2026 09:58

Had an affair with a senior colleague. I was in a relationship and he was married. It's been almost ten years since it ended and I think about it every day. I'm so ashamed and can't believe I did something so awful and betrayed my partner at the time. I can't reconcile it with my belief that I'm not a bad person.

Bad choices do not automatically make you a bad person.

HaveYouHadYourBreak · 23/04/2026 12:56

@Tredadt we have a member of our team whose mum got him the job. Like you, she gave him confidential insider knowledge, and actively blocked other staff from getting the information they needed eg she kept "forgetting" to give them access to the job description.

She has lost all respect from anyone and these days lots of people keep their distance because they've realised how two-faced she is and well, no one likes a cheat. She is excluded from things like access to confidential info.

He's a nice enough guy but no one has any respect for him either. When he makes mistakes (as everyone does) it causes much more shaking of heads than for any other trainee. He's been here 2 years, he's doing ok, not brilliantly but ok but everyone always has a certain amount of cynicism about him and people still joke about things like "what will his mum say?".

He's having to work twice as hard to earn the same respect as his peers. He will always be the person whose mummy got him the job. His mum's reputation will never recover.

You say the other people have jobs, families etc and you were scared your daughter wouldnt. Well they all managed it and your daughter isnt special. You also never know what is goinv on for them and how important that job was to them. You undermined her rather than helped your daughter earn it on her own merit. People will know what happened. You havent helped her at all.

I dont wish ill of either of you but I hope you do actually realise how harmful for your daughter and colleagues your actions were. Hopefully she will have to apply for your job in a fair manner and others will have the same opportunity.

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