The rare timing of when poison leaves your body from both orfaces. Extra points for doing it at the same time.
Shit Vomit; Shit after vomiting or vomiting after shitting. It doesnt count if at anytime you leave the bathroom.
by Jebony March 06, 2010
When it's all brown and you aren't sure which end it came from.
I came home to find the cat had shitvomited all over the floor
by Eloquent Rex June 18, 2016