Definition from Wiktionary, the free dictionary
Imitative of many Yiddish words such as schmaltz or schmuck
- Used to form a reduplicated rhyming compound of any word in order to express disparagement, dismissal, or derision.
- "I have to tell you, madam, that your son is suffering from an Oedipus complex."
- "Oedipus, Schmoedipus! What does it matter, so long as he loves his mother?"
- — Jewish joke