1 definition by BlackLuster
When a Jewish friend begins to start acting bitchy and erratically. Similar to bridezilla but with a Jew.
Blythe: Why is Ilana being such a jewmanji?
Jeanette: I don't know, but that jewmanji is starting to piss me off.
Jeanette: I don't know, but that jewmanji is starting to piss me off.
by BlackLuster May 24, 2010