Top Definition
A gay male who is obsessed with recieving anal penetration either by another male, sex toys, or foreign objects.
"Yeah, I messed around with him last night and I found out he's a mean 'ol pbb (pussy bottom boy)!"

"Damm! Check out his collection of dildos! He's a serious pbb (pussy bottom boy)."
by spizz-ike April 20, 2008

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