Definitions by Digeridude

Yiddish cup 

The term Yiddish Cup is a misspelled form of Kiddush Cup, a ceremonial Jewish goblet used in rites of passage. Losing possession of it is typically an analogy for losing control of a situation.

"You have obviously lost possession of your Yiddish cup"

Yiddish cup by Digeridude January 28, 2006