Definitions by Couzin and Cuz

He.M.S. 

Male equivalent of the female's P.M.S.

David: "Damn, what the hell is wrong w/ AP today? He's being a total ass!"
Andrew: "Dude, I know. He's been He.M.S.-ing all week."

He.M.S. by Couzin and Cuz November 26, 2007