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2.
almost a synonym for tuesday, but its actually a better word in general. A tuesday is a ruesday if youre really excited for it.
Austin: What day is it today?

Will:Ruesday, of course.

Austin: By the beard.

Jon: When's the party?

Joe: Ruesday night!

Will: Ruesday's coming, did you bring your coat?

Arjun: Yes.
by Mike Hunt.. January 24, 2011
 
1.
The day after you go out drinking, and wake up with a hangover.
"Ugh, my head is pounding. It must be Ruesday."
by Sparty1701 December 22, 2011