The act of shitting and pissing explosively, in a simultaneous manner,(sometimes occurring involuntarily), so as to relieve built up tension.
If you keep shpissing in my mouth, I'll pass out.
22π 2π
A bowel movment with the consistency of urine.
Also see: Shpissing(verb)
Ex1.
Man#1: I was just about to head over to karaoke night at the Half Baked Tator bar and grill when I shpissed myself in the kitchen. Yep, took a huge shpiss right there on the carpet.
Man#2: damn
When youβre on the toilet and you take a shit and piss at the same time.
βDamn That shpiss was so goood!β