Coolnessicity 

Something very fucking badass, or someone derived from a family of "cool" family members.

Luke has NO coolnessicity.

Coolnessicity by Nick V.H. September 14, 2006

coolnessity 

being cool

The definition of coolnessity is being cool.

coolnessity by Mecca August 8, 2003

coolnessity 

a level of coolness higher than can be described by the word "cool"

This song is like the definition of coolnessity.

coolnessity by Pat D. August 5, 2003

coolnessosity 

full of being cool

There was a lot of coolnessosity and we talked and then we went to sleep.

coolnessosity by maria September 28, 2003

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.

Coolnessosity by Blaze54901 July 29, 2007