An obligation to have sex due to pressure or circumstances. One
may experience this when a friend is fornicating with their partner and you are
alone with a person of the opposite sex your friend "
set you up" with.
Guy 1: So what did you do last
nightGuy 2: I went over to my bros house and he went to go bang his girl the whole
night and I was left
alone with my bros girlfriends friend
Guy 1: Was she hot?
Guy 2: Nah not really but we banged anyways.. it was more of a fornication obligation