The anus. It is also know as the butthole, fecal dispenser, cigar cutter, the moist, poop chute, crap cooker, colon, fartbox, shit lips, sphincter, ol' crusty, etc.
Dude, I have to pass a loaf so bad that I can hear it. If I don't get to the toilet soon it will slide past the turdstile.
by JEUNT December 03, 2010