schmo

Etymology 1

From Yiddish, alteration of schmuck.

noun

1. A stupid, obnoxious, pathetic, or otherwise contemptible person.
   The poor schmo would immediately break down and confess that he did a lot of other bad things as well. 2008, Ben Yagoda, chapter IV, in When You Catch an Adjective, Kill It, Crown

Etymology 2

See Joe Schmoe § Etymology; schmo in this sense may well be homonymic to schmo in the sense above.

noun

1. Any average Joe; any Joe Schmoe.
   I'm just an average schmo
   Of his early childhood, he told the Deseret News of Salt Lake City: “I'm a schmo. My family never made more than $25,000 a year. We're all bakers for generations.” 2010, Dana Milbank, Tears of a Clown, New York: Doubleday, page 31