WBF, short for Worst Best Friend. A friend that you like a lot but they alwaysflake or let you down. Phonetic play on WTF, and to be used as such, like an exclamation, when appropriate.
Kristy: "Franke just texted, he can't come to the party."
Dan: "WBF! Why does he even pretend like he's gonna go?"
Kristy: "Seriously, W-B-F."
Brian: "Hey guys thanks for helping me move -- wait where's Dan, I thought he said he was coming?"
Franke: "I think he's sick or something."
Brian: "WBF! He's been sick for like 10 years, no one's buying that shit anymore."
White Black Friends -- A pair of best friends one of which is black, and the other is white.
black friend: (to white friend) Hey! We're best buds, right?
white friend: Uhh, yeah.. definitely dude!
black friend: yeah, we're like WBF's.
white friend: what is that?
black friend: You know? Like white black friends.
white friend: Eff yeah!!!
an acronym, short for Wife Beater Friday. Wife Beater being a blue Bonds brand singlet. Other colours (non-blue) are accepted under extenuating circumstances, but it's commonly known that a wife beater must be blue. Wife Beater Friday being the day that you must wear your wife beater to work. This is EVERY friday.
Employee 1: "Hey, it's WBF, where's your 'beater?"
Employee 2: "It's in the wash"
Employee 1: "Wash? you wash it? Poof!"