shmuck
Shmuck, often spelled schmuck, is a slang noun of Yiddish origin used in American English to describe a contemptible, foolish, or obnoxious person. The term is informal and can be considered insulting or vulgar, depending on context.
Etymology and history: The exact origin is uncertain. It is commonly traced to Yiddish shmuk (or schmok),
Usage and nuance: Schmuck typically refers to someone who is foolish, clumsy, or unscrupulous, but the severity
Related terms: A closely related concept is mensch, a Yiddish term for a decent, admirable person; schmuck