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?
The day after you go out drinking, and wake up with a hangover.
"Ugh, my head is pounding. It must be Ruesday."