BFO

best friend of the office; your best friend at work whom you normally would not be friends with outside of work; a bff, but only at work.
lisa: “hey marlon, are you going to hang out with jeff on thursday night?”

marlon: “h-ll no, he is just my bfo. we don’t hang out outside of work.”
boys from other schools. pr-nounced like beef-o’s. made popular by tina belcher on the show bob’s burgers. bfos are more attractive since their reputations are unknown to girls from different schools.
bob: what are bfos?

tina: b.f.o.s, boys from other schools.

linda: what’s wrong with the boys from your school?
tina: i need fresh faces…and fresh b-tts.
bfo: brazilian food orgy.

lunch or dinner commonly consumed in southern brazil, in the form of an unlimited, obesity-inducing buffet of -rg-smic proportions, eaten regularly (aka every day).
“hey luan, i really feel like gorging my face with food.”
“we should head down to the bfo down the street then.”
“which one? there’s ten of them on this street.”
b.f.o. is a acronym for ‘big f-cking onion’ describing the size of the northwest onions compared to the east coast onions.
i’m making corn chowder and i’m not sure if it needs this much onion… i mean, this is a b.f.o.
back the f-ck off

a socially acceptable/reasonably polite acronym a guy or girl can either text, message, or say to a person that persistently hits on them without a clue as to how disinterested they are.
nah, girl. i told him to bfo, so i’m done with that sh-t.
acronym for boyfriend freak out syndrome.

when you like someone, get to know them then freakout, run away (or hide yourself in the toilet), and/or do something stupid to sabotage your chances with a guy you like. usually at a point when it is most important in getting a date, etc.
friend: why did you run into the toilet just as that guy was going to talk to you?

you: i dont know i guess bfos got ahold of me.
big f-ckin object
did you see that bfo? man i almost run into that bfo. anything bigger then a car