Heat Sink - Anything or anyone that pulls a person's energy away from the task at hand.

A heat sink might be friends, video games, chores/obligations, etc.
I wanted to get to the gym today but my grandma called and spent all day on the phone with me. She's such a heat sink.
by Wolf892 July 5, 2022
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A Heat Sink is when a homosexual policeman pulls out his police truncheon sets it on fire and procedes to insert it up another policeman's bottom.
A Heat Sink scenario,

Policeman 1:
"Excuse me, do you have a light?"

Policeman 2:
"Hey sure, use my lighter. By the way, why do you have your truncheon out?"
by J.S. Brockle May 26, 2009
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Heat Sinking Moisture Missile is a more commonly used term to refer to a man's penis, when the penis is on track to soon penetrate a woman's vagina.
by Sylvan Said May 22, 2009
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