Shemo is Italian for idiot, embarrassment, crazy person. So to be a half a shem the worst form of shemo, your not even adequate enough to be considered a fully functioning shemo....your just half a shem.

"My friends left me at the concert stuck with no ride and I was standing there like half a shem"

2) Guiseppe Carlino
"My friends left me at the concert stuck with no ride and I was standing there like half a shem"
by Marco Marandola July 20, 2017
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