The unofficial sabbath where members of the Jewish climbing community go to the hanger on the sly being stingy with the invites.
Dave : Has jewbag joe gone climbing?

Kane : Of course he has is Jewsday after all!
by Jewsdaysjoe January 7, 2019
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Tuesday when everyone with Optimum Rewards goes to the movies because its free.
Person 1: You wanna go to the movies saturday?
Person 2: Nah, im going today its Jewsday.
by anthony singleton February 24, 2009
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A word used to describe the day of the week that is crappy for most working people, Tuesday!! Usually people do not have a hangover from the weekend and its still ages until the next one!!
Mark: Howz work going to day?

Craig: Avin a shity Jewsday again!! can't wait for the weekend!! Tuesday's always suck!!!
by Magic Marco 10 January 6, 2009
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