Top Definition
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 has PFB to mean 'potential fuck buddy' as one of the definitions way down there!"

(True story)
by SouthBendGuy August 26, 2011
Post Fap Blues


The blues following Fapping.

This self indulgence, for men, means solo ejaculation often with the aid of pornographic material. over time this material may become more and more graphic, eventually involving the sharing of all bodily secretions simultaneously between people (and occasionally even animals)
It is believed that the feelings of low self worth and crushing despair that descend after fapping are caused by return of blood flow to the brain and the realization of what you just masturbated to.
PFBs normally include the emptying of one or more browser caches
Also note worthy: If you still like a girl during your PFBs, that is considered by many to be True Love.
Ted: hey bro, im not going out tonight

Fiachra: why man? we've been planning this for weeks!

Ted: i got those PFBs, just not feeling up to it!

Fiachra: but stephs gunna be out man?

Ted: ya your right, i want to see her!

Fiachra: Thats true Love
by VanBrah October 29, 2012
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."
by -evan. July 24, 2009
Post-Finals-Blunt. smoking a blunt when you're done with school to kick off summer.
thursday at noon, meet me in the park for a PFB and lets get this summer started!
by drizzyyy June 02, 2011
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