1. slang. a foolish, boring, or stupid person
"That schmo over there took the last cupcake."
"Quit being such a schmo and apologize to her."
Origin: (from etyomonline.com)
"also schmo, 'idiot, fool,' 1948, euphemized form of schmuck."
Awkwardness rating: 5
|That schmo is eating my cupcake!|