From the beloved Overheard site:
Little boy leaving temple: Schmuck, schmuck, schmuck!
Little boy: What? It’s a new word I learned in Jew school today!
Mother: Hebrew school!
Little boy, in a whisper: Schmuck…
–87th & Madison
P.S.: The German word “Schmuck” means “jewellery”. I’ll leave that uncommented. 🙂