A form of self-presentation that connotes that one is a big stinking deal. This is actually hardly ever the case, especially in backwards places like the Midwest, where everyone is middle-classed and buys their clothing from an outlet mall. However, to imitate one who is worthy of coolness is to have a coolness aura is to be cool.
"I can't write him back right away. It will destroy my coolness aura."

"I only hand out a like every once and a while to maintain my coolness aura."

"I gave her a nasty look. Not for any real reason. Unless that reason is coolness aura..."
by Gingsterlicious June 3, 2015
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