Top definition
n. the 8th day of the week, only possible to visit while experiencing the effects of marajuana on a saturday night.

adj. 1.(used to describe a moment) extremely odd, crazy, haphazard, or seemingly pot-induced. 2.
n. I was in catillsday once, and I met strange creatures there who spoke as if they knew me well.

adj. Woah, that was totally a catillsday moment.
by not available at this time September 14, 2007
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