Top definition
Bi Straight Best Friend

When you have a friend that's not gay but bi and if you straight you become their straight friend.
Everyone needs a bi friend except me, I'm the one who's the bi friend. Yesss, so im your straight friend. We're BSBF
by ChampagneMana May 24, 2017
Happy St. Patties Day!
when you pity date a guy that you show no interest in and/or don’t have feelings for. (stands for bullshit boyfriend)
Ah jeez, another BS BF? Please stop, Barbara.
by jillwhoneedstochill January 28, 2018
Happy St. Patties Day!
buy the domain for your diy blog