Definitions by HansDude

steamy sizemore 

A surprise left at a party for the host to clean up off the couch the next day. Mostly consists of fecal matter or vomit. Commonly referred to when the substance is on a fabric (ie. couch or chair).

Dude, someone totally left you a steamy sizemore on your couch last night.

steamy sizemore by HansDude October 16, 2008