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.
po acoustic sean Април 11, 2008
A shit large enough for two.
I just pooped a shitstack so high, it's coming out of the bowl.
po daviddeath Јун 21, 2014
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...
po robbbie is funny Август 29, 2003