Mine was a little...interesting to say the least
I was a late starter, night of my 20th birthday in fact. Had staggered home from Uni nightclub after yet another particularly unsucessful attempt at talking to women. Got home watching TV in bed and there's a knock on the door, it's my housemate and his girlfriend come to see what I was up to. He sits down on the comfy chair, she sits on end of bed. She complains of being cold, so like the perfect (drunken) gentleman that I am, offer to share the quilt with her. Mate goes for a piss and she's all over me like a rash. he comes back in the bedroom, she carries on. My mates response? "Happy Birthday, mate!"

Turns out she always wanted a threesome and this was the perfect opportunity. Result!!! Shame that the demon drink kicked in half way through and I lost the ability to perform quite spectacularly.
(Freakish, Fri 4 Mar 2005, 10:07, Reply)