Top Definition
full of being cool
There was a lot of coolnessosity and we talked and then we went to sleep.
by maria September 28, 2003
1 more definition
5 Words related to coolnessosity
How cool something is.
Woah! I just shot you in the head in the Halo 3 BETA! The coolnessosity of that has to be high.
by Blaze54901 June 27, 2007

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