Schmuck, or shmuck, is a pejorative term meaning one who is stupid or foolish, or an obnoxious, contemptible or detestable person A stupid or silly person The word came into the english language from yiddish (yiddish
שמאָק, shmok), where it has similar pejorative meanings, but where its literal meaning is a vulgar term for a penis. How to use schmuck in a sentence. The meaning of schmuck is a stupid, foolish, or unlikeable person