Top definition
A delusional freak. A gay fag. A loser.An idiot.
Synonyms: Douchebag, Nose bag, Dish rag, Tool
"Dude, let's rip that kid's Randy Travis Poster, piss on his seat and hide his keys. He's such a post bag."

Serena: What do you think of Bill?
Ashley: POST-BAG
Bean: FAG
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