1 definition by Jason Lee
Stands for Big American Penis. Screamed by all the ladies when a guy shows women his abundant junk in public.
Jason - "That last beer made me realize I've haven't whipped out my BAP at this party yet..."
Brian - "Shit, don't whip out your BAP, you'll make all the Asians jealous!"
Brian - "Shit, don't whip out your BAP, you'll make all the Asians jealous!"
by Jason Lee July 2, 2005