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to 'pyeng' some one as in to 'fuck' them.
I'm going to proper Pyeng her when we get back to ours...

her gash was pure Pyeng'd!
by biglabash May 15, 2009
The urge to be sick when you see a butt ugly girl!
fuck me that ugly bitch is gonna make me pyeng
by the scrawds July 13, 2010