[pejorative] Schmuck or shmuck in American English is a pejorative meaning one who is stupid or foolish; or an obnoxious, contemptible or detestable person. The word entered English from Yiddish (שמאָק, shmok), where it has similar pejorative meanings, but its original meaning in Yiddish is penis. Because of its vulgarity, the word ... Found on http://en.wikipedia.org/wiki/Schmuck_(pejorative)