An ugly bitch who thinks that she is attractive, and can get away with things that good looking people can.
"Damn, those bitches you brought home last night were some fucking ugly shmagoos."
by BahDorty June 23, 2005
synonymous for "aloha" in Hawaii ( hello and goodbye )
smagoo everybody - what's crackin'?, shmagoo, i'm going home.
by zaizaii March 14, 2010