Pronounced PU-AAAH B-WOI, its meant to define any particular person as a peon, simp, lame, degenerate, etc.
Not gender specific, this insult applies to everyone. Also may use PAB.
Tristan: Bro, I can't go tonight, I gotta stream!
Paul: Puaaaaaah Bwooi (Pussy Ass Boi)!