mutual friend
A girl who has been fucked by two guys (simultaneously or in different points of time) is their mutual friend.
Or a guy who has slept with two girls is also their mutual friend.
Or a guy who has slept with two girls is also their mutual friend.
Example:
- Hey, guess what, I slept with Annie the other night! She was hella awesome in bed.
- Then I guess she’s our mutual friend now!
- Hey, guess what, I slept with Annie the other night! She was hella awesome in bed.
- Then I guess she’s our mutual friend now!