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When you engage in sexual intercourse with a person (who you otherwise would never sleep with) due to a depressed state of mind.

Looking for comfort by means of coïtus.

Doing sex with someone just to escape feeling rejected/hurt by someone else.
-That's all you got? You slept with this woman.
•It was a grudge boink.
via giphy
by BaconBoi99 August 24, 2017
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