1 definition by mr.mmbossypants29

Top Definition
The feeling you get when moving somewhere very warm or hot after being outside on a very cold day.
Ex 1: Phil: "Dude I love heatgasms they feel so good."
Ex 2: "Oh man last night when I came in from shoveling I had a heatgasm, it was great."
by mr.mmbossypants29 December 28, 2011

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