A fork of Rural Dictionary
Penn Football - which is a bad word
Abbie: "Woohoo let's show some school spirit and make a T-shirt with PFB"
Superintendent: "BANNED, because urbandictionary.com has PFB to mean 'potential fuck buddy' as one of the definitions way down there!"
(True story)
An acronym that stands for "Pretty Fucking Bored." It's self-explanatory, really.
Guy 1: "Hey man, how goes?"
Guy 2: "I'm taking summer classes, my parents keep ragging on me to get a job, and my girlfriend dumped me last week."
Guy 1: "Yeeaaahhh. . . I've been PFB too."
Psycho Fuck Bitch: An unreasonable, irrational, demanding, condescending and manipulative person with cruel intentions.
A PFB is person who is hard to work with, be friends with, etc. Untrustworthy. Manipulative. Underhanded. Sly. Evil.