Definitions by KHMIKER

Shum 

The act of shitting and cumming simultaneously. Often accidentally, however seldom unwelcome.

Bro #1: "Hey bro I just blew a fat shum in the bathroom back there!"
Bro #2 "Sick bro! I haven't shummed in ages!"
Bro #1: "yeah it was shumtastic!"

Shum by KHMIKER August 1, 2020