Chifut

Noun: A Jew doing what he does best, such as scrounging for money, talking complete nonsense (bubbles), or trying to impose influence on others by merely speculating.

Stop being such a chifut! You always get alligator arms when it comes time to put your share in for the bill.

Hey chifut! There's a penny on the ground!

Hey Rubinstein stop being such a chifut.