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1.
Another word for a kosher pickle.
Guy1: Man, did you go to that jewish party yesterday?
Guy2: No but I heard all the food was kosher.
Guy1: Yea, I think the Jewcumbers were expired.
by Kris Hall December 03, 2006
 
2.
A circumsized (and Jewish) penis.
Golda: "Oooo-eee! That's the biggest jewcumber I've ever seen!"
by Zahava bat Hadassah January 29, 2008