When a wave/group of hot girls walk your way. A rare, yet pleasureful moment.

Minimum of 5 girls to be considered a heat wave.
Brosef 1: Uh oh bro, heat wave 1 oclock!
Brosef 2: Time for the gun show...
by mtndew789 July 22, 2011
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The act of a male masturbating into a portable heating fan, spraying the warmed ejaculate back upon him.

The winter time equivalent of a 'cool load.'
It was so cold out yesterday, I just stayed in and cranked out a Heat Wave.

Carl's so dumb, he's always busting out a cool load in the winter and a heat wave in the summer!
by Fitz Kirkpatrick February 20, 2009
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radiates off a woman with super mommy milkers.
Human: Yo she got dem heat waves

radiates off a woman with super mommy milkers.
by August 27, 2021
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The wave of heat that hits your face when you open the dishwasher.
Guy 1: ''I got hit by a major heat wave last night doing the dishes!''

Guy 2: "I got hit with one this morning."
by aus10rill July 11, 2012
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When a guy and a girl are having sex and get really sweaty, then the guy pulls out, cums on her stomach then lays on top of her like a flat pancake.
I woke up all sticky from the Texan Heat Wave I did with my girl last night.
by realDuckyMoMo June 18, 2019
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the act of passing gas in a persons face until they pass out.
that hungarian heat wave sure was intense last night
by rosemary alexander January 21, 2007
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When a man does not shower for a fortnight during summer and then unsuspectingly teabags their partner while they sleep.
I heard my ex girlfriend cheated on my while away on vacation so I did not shower while she was gone and gave her the Heat Wave Bag the night she got back.
by McGuyver604 July 8, 2013
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