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
When your shit was so runny, it’s as if there was a dick in there mixing your shit with piss. Also known as Ass Pissing
by TheSRocks05 October 10, 2019