A fork of Rural Dictionary
A former lover who then became a friend, but who is presently neither.
I don't want to go to the party if my ex-flex is going to be there.
A former lover, present friend, who one occasionally has sex with.
If it weren't for my sex-flex, I wouldn't be getting laid at all.
Former female lover, present female friend.
My girlflex and I are going to see a movie...