Say you'd done something sexual with another person because at the time you were very wasted and they were not. You did it because you loved them but almost certainly wouldn't have done it had you been sober and you'd left it in the past and as something that happened...and then months later found out that said other person had told all his friends about it and they'd known for ages what would you do? My friend's brother (who has just moved back to the area) was in the pub with us all last night and he said to me "oh you're the girl who did lalala with 'insert other person's name here"...so then three of said person's friends go..oh, yeah we knew about that said person told us about it. I just feel so cheap really....I'd like to just deny it but what's the point?, how can I even?

hold your head up high. everyone has their sexual indiscretions. some more than others. but its nothing to be ashamed about.
my friends like to talk about my sexual escapades all of the time. i used to have no intregrety in that field of life. i just laugh about it with them.
its nothing to be ashamed of!

I think it's really lame of him to tell everyone actually. You should say "yes, it's true we did lalala. He had a really small penis and only lasted 30 seconds".

Then you're even. Let's see how he likes having everyone talk about private, possibly hurtful business.

saying that would be just as lame as him telling everyone.
are you still in highschool or something?

Well I discovered from a friend whilst I was travelling the world, that a boy from my school- who was HIDEOUS- was telling everyone he met that I had been his first serious girlfriend, he had lost his virginity to me and that we had dated for 6 months. We never did ANYTHING of that nature, EVER. EVER. EVER. I have no idea how many people he told that story to, but I am TRAUMATISED to this day by it.