shit sit
When you are sitting and talking with a friend while they take a shit.
1) Well I'm gonna go take a shit
2) Have fun with that
3) Come shit sit with me
2) Have fun with that
3) Come shit sit with me
shit sitting
When 2 or more people share one chair.
There are no more chairs left. Want to shit sit with me? Sure! I love shit sitting!
Sit, shit & split
When you have a last minute, unavoidable need to quickly poop, before dashing out somewhere important.
My lunch break is nearly over, but I need to sit, shit & split.