A shamebag occurs when one player dips his testicles in paint and plops his sack on some else's face, leaving a distinctive circular smear. Only croads get shamebagged.
Tony: Hey guys, I think my forehead is bleeding ...
Shawn: No man, you got that red smear when Mickey shamebagged you last night. Face it, you're a fucking croad.
Shawn: No man, you got that red smear when Mickey shamebagged you last night. Face it, you're a fucking croad.
by Togglemeister March 18, 2007