what one would call their someone they are dating but not yet in the boyfriend/girlfriend stage. When you have a boyf it is highly recommended that you do not see other people.
Susie: "Hey sweetie how are things with your boyf?"
Melissa "They're good, i really like him. Hopefully soon I'll make him my boyfriend."
Boy Only You'd Fuck. Acronym used between girls to refer negatively to one another's boyfriends and as an extension one another's bad taste in guys. Similar to MILF.