A general name for a guy who makes disgusting jokes about butts, assholes, shit, etc. as well as sexual acts relating to butts and or shit. Marcbutt also knows the name of obscure sexual acts. Can be used as a term of endearment if you enjoy Marcbutt's jokes and knowledge.

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.

The butt of Marc (with a C). Concave in nature, this butt resembles two craters side by side.