Top Definition
A month that you use to get out of things that you don't want to do. Pronounced "Jew-Lumber". It often only makes people think you're a huge a-hole.
Guy 1: Hey when are you gonna get those survey results?

Witty jackass: On the 32 of Julumber

Guy 1: Prick...
by Jizzy Jan January 21, 2010

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