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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

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

683 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:
honeylulu · 20/04/2026 21:31

This is so weird because I had a dream about this last night and I felt awful all day.

I cheated a lot on my uni boyfriend. Initially it was when he annoyed me (incredibly immature of me) but I'm ashamed to say it became a habit. The worst was that I had a fling with another of our housemates. So so nasty of me. Housemate then found a proper girlfriend unsurprisingly and I had the audacity to feel hurt about being "dumped". It feels now like all that was done by a completely different and completely horrible person. I've been with my husband 30 years and never even thought about cheating, I just wouldn't.

Dollymylove · 20/04/2026 21:31

Britainisgreat · 20/04/2026 20:59

BEAT THIS THEN. Scammed HMV out of thousands of quid. Bought VHS videos in Woolies. £2.99 each, the films Fly Away Home. Matilda and Brassed Off. Boxes full sometimes. Managers asked why I was buying so many. Took them in HMV, no receipt of course and got credits or CD's for £14.99 or £16.99.or each one. That's what hey scanned at. Did it hundreds of times, they never refused me and gave me vouchers too if I didn't want any good. Then just got bored. Good scheme though eh? Clever. I couldn't believe how they were so dumb as not to see the same vidoes being returned faulty. Several London branches, some in Sheffield when viditing my mum and even did a few in Boots, Tower records. Have over 1000 CD's, most obtained fraudulenty. Had hundreds of quids worth of vouchers at one point.

Edited

How were Woolies selling things at £2.99 and HMV selling the same merchandise at £16? It doesnt make sense

Britainisgreat · 20/04/2026 21:32

Dollymylove · 20/04/2026 21:31

How were Woolies selling things at £2.99 and HMV selling the same merchandise at £16? It doesnt make sense

Just an Xmas sale, those 3 VHS were £2.99 but full price in HMV. Bought full boxes, like 24 a time and they got managers out, accused me of selling them at car boot sales. No.....think again idiots
Always smile when those films come on TV.. I MISS WOOLIES. 😄

Notasbigasithink · 20/04/2026 21:34

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!!

I've done worse.....
New BF house, stayed over for first time. Desperately needed a poo and bathroom right next to bedroom so would have heard/smelt it. I was too embarrassed just in case he heard me (IBS so would have been a splatty, farty one!) so i told him I was going to have a quick shower and I pooped in the shower and pushed it down the plug hole...... 🙈🙈🙈

Bubblewrap22 · 20/04/2026 21:36

When I was at uni I lied in front of a police car in the middle of the road because I asked if they could give me a lift home (I was drunk and they were near the taxi rank)

Also buying ‘ child’ train tickets until I was 22… I got caught eventually and had to pay £5K in all the journeys I made as a ‘child’ but in the adult fare

Swiftie1878 · 20/04/2026 21:36

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?

Have you seen ‘The Drama’ at the cinema?
Hard to beat theirs!!

Notasbigasithink · 20/04/2026 21:37

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

I think you're missing the point of the thread.......

Pricelessadvice · 20/04/2026 21:38

A girl in our friendship group in school was quite mean to me at times- would put me down, take the piss out of me for laughs etc. I heard she was going ice skating so I told her to break a leg.
She did!
I felt awful. I know it wasn’t my fault but I felt like a right witch. I shouldn’t have said it.
Incidentally we actually became good friends during sixth form. She became less of a cow and I toughened up a lot.

HelenaWaiting · 20/04/2026 21:39

I cut off an awful bully's ponytail whilst sitting behind her in assembly. I was 14. And got excluded for it. Sorry, not sorry.

Britainisgreat · 20/04/2026 21:39

Britainisgreat · 20/04/2026 21:32

Just an Xmas sale, those 3 VHS were £2.99 but full price in HMV. Bought full boxes, like 24 a time and they got managers out, accused me of selling them at car boot sales. No.....think again idiots
Always smile when those films come on TV.. I MISS WOOLIES. 😄

Edited

Always took them in a HMV bag, had a stash of them. Looked better.

Do I feel guilty? Like hell I do..

HaveYouHadYourBreak · 20/04/2026 21:40

I've done lots of things I'm ashamed of and/or embarrassed about. I'd like to think I've grown and learned and wouldn't do them now.

GSD20 · 20/04/2026 21:40

I was a child, maybe 10 so old enough to know better. Parents were alcoholics so I was left to my own devices a lot.
I loved animals and was desperate for a pet. One day I found a baby bird hopping around the garden, unable to fly. I kept it in a box hoping it would be my pet that I was desperate for, only I didn’t know about feeding it properly or how to care for it correctly. I kept it secret so didn’t check on it as much as I should have as I didn’t want my parents to find out. I did feed and water it but not the right things. I’m not sure if its parent would have been still caring for it. Obviously it died.
I frequently think of that bird and what I did to it 😢 I’ve done many bad things but that one’s particularly horrible.

Ilovecheeseyah · 20/04/2026 21:43

My father who is abusive and awful
was temporarily in a wheelchair really annoyed me. So I went up to him and let out a really eggy fart.

Britainisgreat · 20/04/2026 21:44

As a kid I nipped round ther back of the deli counter in Littlewoods, filled my pockets with the mini pork pies. Ate them with my sister walking home and mum said, where did you get those? "Oh the kind lady gave us them" Must thank her next time I'm in. PMSL.

Britainisgreat · 20/04/2026 21:44

HaveYouHadYourBreak · 20/04/2026 21:40

I've done lots of things I'm ashamed of and/or embarrassed about. I'd like to think I've grown and learned and wouldn't do them now.

Same here, reformed now.

ChilliWilly · 20/04/2026 21:45

When I learnt that my exH had been visiting sex workers in lockdown (when we couldn’t even mix with other households) putting mine and our DCs health at risk ……

I looked at the fresh pile of laundry I’d ironed and sorted, went to the fridge took out all of the chillis, put the seeds in the pestle and mortar and had a lovely concentrated paste which I then smeared on every one of his pants crotch seams

Watching him squirm for the next few days was priceless , I never regretted it as I looked him dead in the eye and said ‘what on earth have you been up to the last few days you look so so unwell?’

SabrinaThwaite · 20/04/2026 21:45

I did wonder if Kenton from The Archers had popped in to finally admit to running over Eccles the peacock.

BunnyWabbit2000 · 20/04/2026 21:45

Had an affair
No pride or flex or laugh about it. I've spent a lot of time working on myself since but I will regret it til the day I die.

HaveYouHadYourBreak · 20/04/2026 21:45

GSD20 · 20/04/2026 21:40

I was a child, maybe 10 so old enough to know better. Parents were alcoholics so I was left to my own devices a lot.
I loved animals and was desperate for a pet. One day I found a baby bird hopping around the garden, unable to fly. I kept it in a box hoping it would be my pet that I was desperate for, only I didn’t know about feeding it properly or how to care for it correctly. I kept it secret so didn’t check on it as much as I should have as I didn’t want my parents to find out. I did feed and water it but not the right things. I’m not sure if its parent would have been still caring for it. Obviously it died.
I frequently think of that bird and what I did to it 😢 I’ve done many bad things but that one’s particularly horrible.

You were a child in what sounds like an awful situation. If the bird couldnt fly, it probably would have died anyway. X

paulhollywoodshairgel · 20/04/2026 21:46

tnorfotkcab · 20/04/2026 20:35

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.

Edited

Living in shared housing really brings the worst out in me!! There was another girl who would leave her dirty dishes everywhere so I would dump them in her room.. you’re not alone!! She used to also put things on to cook and then go out!

tttigress · 20/04/2026 21:51

The worst things I have done are:
-stole from my parents and grandparents (didn't get caught)
-got caught shop lifting (but my parents didn't find out)
-stole from friends (didn't get caught)
-was sick at my university halls of residence bar and the people working there had to clean it up(I didn't really apologise)
-walked over peoples cars while drunk (didn't get caught)
-had sex with several men then ghosted them

I feel guilty about most of these things (though I do think the drinking/sex stuff was due to the 90s culture), not really sure what to do about it though.

I don't think my current friends and work colleagues would even believe that I had done some of these things.

I haven't done anything really bad since my mid twenties (now nearly 50).

I guess growing up I thought I had a bit of a difficult time, but looking back compared to a lot of people it wasn't that tough.

GrumpyButOk · 20/04/2026 21:55

Elanol · 20/04/2026 17:56

Then that would become the worst thing you've ever done 😁

Not necessarily... 😂

bubbletubble · 20/04/2026 21:55

I stole some money when I was about 12 from a club I used to go to. I was soon found out the next day when I was found in school giving out £1 coins to anyone and everyone. My mum and dad had to go and give the money back. I feel sick just thinking about it 25 odd years later and well up thinking how embarrassed my mum and dad must have been.

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 😞