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1.
PGB
An acronym for Prep Gang Bang. It is the act of a an attractive girl getting gang banged by boys who attend Fairfield College Preparatory School.
Yeah, I heard it was a total PGB! You go girl!
by whitegirlsloveprepboys May 17, 2011
 
2.
PGB
Poizoned Gummi Bearz, the coolest clan/guild ever.
The PGB is gonna roll in and kick yo asses
by Hitman Bear May 28, 2009
 
3.
PGB
Pre grog bog, a bog taken before a big nights drinking see AGB

we should have some beers after i do a PGB
we should have some beers after i do a PGB
by steven November 15, 2003