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Share your dilemmas and get honest opinions from other Mumsnetters.

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

680 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:
MasterBeth · 20/04/2026 20:17

I have to admit, when I was a child, me and my friends running through the fields of wheat. The farmers weren't too happy with us, I can tell you

GravyMashMayonnaise · 20/04/2026 20:19

MasterBeth · 20/04/2026 20:17

I have to admit, when I was a child, me and my friends running through the fields of wheat. The farmers weren't too happy with us, I can tell you

We all know that's not the worst thing you've ever done

Friedeggswelldoneplease · 20/04/2026 20:19

MasterBeth · 20/04/2026 20:17

I have to admit, when I was a child, me and my friends running through the fields of wheat. The farmers weren't too happy with us, I can tell you

Hi Tess 👋

CaptainMyCaptain · 20/04/2026 20:20

SurvivalInstinctsOfABakedPotato · 20/04/2026 20:13

Mine is having a physical fight with my older teenage son when he was 15. As in a full on physical fisticuffs.
I was a single parent with no male role model and he was trying to exert his own control and would be very manipulative. One day we both lost it at one another and lashed out with us both giving as good as we got. It ended when we both fell over a chair onto the floor and the chair smashed.

I have dine a lot of crappy things but most are amusing anecdotes. This is the thing that I actually feel bad for.

We had massive talks after and spent a lot of time figuring out how to live together with his raging hormones and my peri menopausal anger.

We are actually really close now and talk about this as a pivotal moment, him for growing up and learning about respect and boundaries and me for learning how to control my frustrations over not having control, and accepting we are human and some space is probably a really good thing

To lighten the mood I once put my gerbil cage in the wardrobe when about 11 as they were being noisy and keeping me awake. Turned out it was one being noisy because the other one was eating it. There were even little paw marks where it had been trying to escape.
That made me feel bad for years as a kid!!!

Gerbils often eat each other. It wasn't your fault.

PurpleFlower1983 · 20/04/2026 20:20

Emotional affair at work - he was married, I was in a long term relationship with a highly abusive cheat, it was still no excuse but it did end my relationship which was a brilliant outcome for me long term. He is still married and I’m happily married to someone else.

SurvivalInstinctsOfABakedPotato · 20/04/2026 20:21

Brightbluesomething · 20/04/2026 20:17

What have I just read! Please tell me this was a medical necessity and not a fetish!

I thought we'd all been there! I did this when we were having a new bathroom fitted and the workmen were upstairs and I was desperate! I grabbed my toddlers nappy and did it in a coat cupboard as I was too embarrassed to ask them if I could access the toilet then do a poo! I couldn't have gone to say a supermarket as I was desperate and hadn't been there long enough to ask neighbours!!

PracticalPolicy · 20/04/2026 20:23

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?

Good. Someone did something very similar to me two years ago and I was unfairly sacked. I did absolutely nothing wrong. I did get a good settlement but I still don't have a job.

People like you should be utterly ashamed of themselves. All because you can't handle someone not doing what you want. You should have raised it directly as a grievance.

SurvivalInstinctsOfABakedPotato · 20/04/2026 20:23

CaptainMyCaptain · 20/04/2026 20:20

Gerbils often eat each other. It wasn't your fault.

Oh do they?! I've felt awful about that for years thinking about it's little scared paws trying to dig it's way out and I just put it in the wardrobe!

BeenThere2Often · 20/04/2026 20:23

Jeesh- Just read your posting OP.
I’d be extraordinarily pissed off if that happened to me but zero shame on you. (I’d kick that feeling to the kerb immediately). The obnoxious colleague was the one in the wrong and if her bleating to management after being foul to you, and you offloaded elsewhere, she’s the one who should be looking back in shame. What a bitch.
Here’s some flowers. 🌷 🌹 🌺 Am on your side.

DreamyScroller · 20/04/2026 20:23

Friedeggswelldoneplease · 20/04/2026 18:49

So are you. That’s disgusting.

Yeah, she doesn't need you to say that, she's already saying it's the worst thing she's ever done.

Friedeggswelldoneplease · 20/04/2026 20:24

DreamyScroller · 20/04/2026 20:23

Yeah, she doesn't need you to say that, she's already saying it's the worst thing she's ever done.

Ok, fair enough

Fernticket · 20/04/2026 20:25

@GravyMashMayonnaise . It was an accident, you didn't mean for that to happen. Sending hugs.
@SmellycatSmelllycat . You are a really good friend and the taxi driver deserved it!

Loomis · 20/04/2026 20:26

Why are so many of these "I did this bad thing but it was to a bad person" type confessions, they don't count?!

Me and my friends bullied a girl at school, looking back it was really awful but at the time it really and truly didn't occur to us that it was bullying, we just thought she was annoying and felt justified taking the piss out of her. I've felt guilty about it for years. We were really horrible to her.

Brightbluesomething · 20/04/2026 20:27

SurvivalInstinctsOfABakedPotato · 20/04/2026 20:21

I thought we'd all been there! I did this when we were having a new bathroom fitted and the workmen were upstairs and I was desperate! I grabbed my toddlers nappy and did it in a coat cupboard as I was too embarrassed to ask them if I could access the toilet then do a poo! I couldn't have gone to say a supermarket as I was desperate and hadn't been there long enough to ask neighbours!!

😂😂 That’s way more normal than I’d imagined.
Not ideal obviously but far less worrying.

ClairDeLaLune · 20/04/2026 20:27

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?

Blimey OP you have absolutely nothing to be ashamed of. You were venting, understandably, on what you thought was an anonymous forum, and you were very harshly treated by your employer afterwards. What she did in the first place was way worse than what you did. I hope you can find it in yourself to let it go and move on. Do not blame yourself, blame her. She’s a cunt.

Worst thing I did was ghost a childhood friend when in was in my 30s. I didn’t like her anymore and didn’t want to be friends anymore, and went about it the cowardly way. She was very persistent and kept calling and messaging and sending friend requests and I blanked her totally. I’ve felt bad for quite a while now.

shehardlysleeps · 20/04/2026 20:27

PracticalPolicy · 20/04/2026 20:23

Good. Someone did something very similar to me two years ago and I was unfairly sacked. I did absolutely nothing wrong. I did get a good settlement but I still don't have a job.

People like you should be utterly ashamed of themselves. All because you can't handle someone not doing what you want. You should have raised it directly as a grievance.

Edited

It was nothing to do with her not doing what I want. It was things like I was quite quiet and reserved, and didn’t really drink. My family member who was a colleague of ours did drink a lot and would drink on nights out. One day I was talking to a colleague when she loudly (in front of the office) said “no wonder your family members drink so much She, it’s to deal with you!” and lots of other comments like that. I was in my twenties living at home and she was vile to me because of it, and got other people in the office to pile on me and be horrid to me.

I am completely and utterly ashamed of myself, but she wasn’t an innocent party.

OP posts:
Wiseplumant · 20/04/2026 20:28

ohyesido · 20/04/2026 19:23

You left a bird to die? How can you live with that

The spirit of this thread is for people to admit honestly, maybe for the first time the worst things they feel that they have done. The op already feels bad about it,so leave your judgement out, or leave the thread.

BrickBiscuit · 20/04/2026 20:28

I passed on a STI to two other people (before I discovered I had it).

PracticalPolicy · 20/04/2026 20:29

shehardlysleeps · 20/04/2026 20:27

It was nothing to do with her not doing what I want. It was things like I was quite quiet and reserved, and didn’t really drink. My family member who was a colleague of ours did drink a lot and would drink on nights out. One day I was talking to a colleague when she loudly (in front of the office) said “no wonder your family members drink so much She, it’s to deal with you!” and lots of other comments like that. I was in my twenties living at home and she was vile to me because of it, and got other people in the office to pile on me and be horrid to me.

I am completely and utterly ashamed of myself, but she wasn’t an innocent party.

So she was rude. Maybe you should have managed it better. Trying to ruin someone's life because you can't answer back or handle it like an adult is a terrible thing to do.

zaramaison · 20/04/2026 20:30

I’ve been the “other woman” multiple times

shehardlysleeps · 20/04/2026 20:30

PracticalPolicy · 20/04/2026 20:29

So she was rude. Maybe you should have managed it better. Trying to ruin someone's life because you can't answer back or handle it like an adult is a terrible thing to do.

I’m really confused as to how I tried to “ruin her life”? I was venting on what I thought was an anonymous forum. I clearly had no intention of her knowing that I was posting.

OP posts:
Loomis · 20/04/2026 20:31

Oh I also ghosted a friend I didn't like any more, in my twenties

And when I was a child me and my friend used to drop her hamster because we thought it was funny when it squeaked, that was AWFUL but we were really little, maybe only five at the most

FleetwoodMcDonalds · 20/04/2026 20:34

To anyone over 50 - do you dwell on things you did in your teens, 20s and early 30s?

Asking because I'm 40 soon and exhausted from all the ruminating! 🙈

Finally grew up at age 35 when I had therapy about my messy childhood!

tnorfotkcab · 20/04/2026 20:35

paulhollywoodshairgel · 20/04/2026 17:33

I had a horrible housemate. He had this mug that only he was allowed to use. I dipped it in the toilet, let it air dry and put it back in his cupboard. I’m my defense he was an awful person.

On a similar vein.... Had a flatmate who decided they would complain about every tiny thing. Left a mug on the drying rack? She'd come storming through and wave it about at me and go "WHY IS THIS OOOOUUUT??? PUT IT AWAY"... Was never mine, was always one of the other 2.

then she goes off on a huge long summer holiday,like six weeks or something, travelling round Europe.

She left a unwashed bowl of cereal and a mug of tea with a slurp at the bottom and a half eaten yoghurt on the kitchen table.

I put them all in her room, that she forgot to lock....and left them there during the summer. Something for her to come back to.

biggestcatmom · 20/04/2026 20:35

GrueyTwoey · 20/04/2026 18:17

Pissed in a pint glass abd threw it out of the window.
I was young, and drunk.

Just the piss or the whole glass?