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When you are on the toilet but the toilet seat is colder than your butt.
"Dude i was taking a cold shit and I couldn't even touch the toilet."

"Yesterday my friend took a cold shit and his ass stuck to the toilet."

"As soon as i put my ass down i jumped off the toilet cause it was like a cold shit."
by dondonleroy December 20, 2012
Some seriously cold, unfeeling, shit.
Girl 1: Sorry, but I have a three inch minimum.

Guy: (with sarcasm) Oh, ha ha ha!

Girl 2: I have a nine inch minimum.

Guy: That's some cold shit.
by Ohsnap!!! January 17, 2010