What does schnetnyick mean in yiddish?

"Schnetnyick" is not a recognized word in Yiddish. It's possible that it's a misspelling or a made-up word.

To help me understand what you're looking for, could you provide more context?

* What is the word being used in? A phrase? A sentence? A story?

* What is the intended meaning? Is it supposed to be funny, insulting, descriptive?

With more information, I might be able to help you figure out what you're looking for or find a Yiddish word that's similar to "schnetnyick".