- a foolish, boring, or stupid person; a jerk.
Origin of schmo
An Americanism dating back to 1945–50; of obscure origin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- US slang a dull, stupid, or boring person
from Yiddish shmok
Word Origin and History for schmoe
also schmo, "idiot, fool," 1948, euphemized form of schmuck.
Online Etymology Dictionary, © 2010 Douglas Harper