prag probably originated from the HBO series Oz and probably means stands for PRison fAG. but it for sure means prison bitch.
Tyrone: i see you don't ever take up for yourself around here. now why dont you be a good prag and suck my dick?

Antwon: Fuck you man i aint nobody's prag
by The Gimp April 21, 2005
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A pragmatic (practical) prisoner who allows others to have sex with him in order to gain security or favors. The acronym PRAG probably also stands for Prison Raped Ass Girl.
Hey, can I borrow your prag for the night?
by pixeleyz November 10, 2006
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A sex slave, or onw who is always getting bullied.
My brother "THE PAGE" is a Prag.He is always getting punked around.
by gummy bear pop'n'prag December 24, 2003
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c'mon man, wake up, suck my cock. come on man, yeah suck my cock,...SUCK MY COCK BITCH...aaaah yeah, thats right. aah yeah.
by racoon wallace February 3, 2005
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As big a douche as one could ever possibly imagine.

But bigger.
Why, Trevor Prag is the most pragnificent prag who ever pragged on the streets of Prague.
by plunderingsloth August 29, 2016
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a pointless brag that noone puts in to consideration, noone wants to hear, and is completly annoying.
i ate 30 mcdonalds chicken nuggets yesterday for lunch

what a prag
by dumbasscus July 28, 2009
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