חפשו מילה כלשהי, כמו blumpkin:
 
1.
The act of two people shitting in the same toilet without flushing. (intended as an insult to the bathroom owner)
Hirsch has been an asshole, let's shit stack his toilet.
מאת acoustic sean 11 באפריל, 2008
 
2.
A shit large enough for two.
I just pooped a shitstack so high, it's coming out of the bowl.
מאת daviddeath 21 ביוני, 2014
 
3.
a pile of shit
Kirby worked up an appetite at the gym so he when he finished he slammed down a shitstack, even eating the curnels of corn. yummmmmm...
מאת robbbie is funny 29 באוגוסט, 2003
 
4.
When many males all stack up on the shitter, each sitting on the lap of the person below them. They spread their legs and the shit falls down into the toilet.
paul, steve, mel and andrew shitstacked it together
מאת SteveB 23 באוגוסט, 2004