Take a piss. Or do a Number 1. Especially if you a seriously full bladder. Not to be confused with see a man about a dog
by terminator March 10, 2004
John Lanzafame
by Terminator May 16, 2003
To extrete diarrhea or runny shit.
<me> Can I use your toilet sir?
<you> You gonna do a Number 1 or Number 2?
<me> I gotta do a Number 1.5!!!
<you> Find another toilet!
<you> You gonna do a Number 1 or Number 2?
<me> I gotta do a Number 1.5!!!
<you> Find another toilet!
by terminator March 10, 2004