Attempting to do something extra difficult when you're on a roll.
Dan: Dude, you launched that trey from halfcourt.
Jermaine: It was just a heat check man. I was feelin' it.
by Enrique Ricardo August 21, 2007
When someone is really hyped that they need to express themselves in a way that represents a group of homeless men having hardcore anal on the streets.
Oh hey, Look at that heat check!
by ICALLFORAHEATCHECK June 23, 2011
A pattern of erratic driving used to determine if one is being followed by police, usually consisting of a series of turns and stops.
Steve: Why did you drive through that guy's yard?
Mitch: Just doing a heat check.
by Bulldog24 March 04, 2009

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