Top Definition
Mercy sex is sex, coital or oral, given a guy for comfort reasons rather than because of desire or love.
After Seamus had taken her to dinner Molly felt that she needed to give him some mercy sex.
by Heather Yamamoto January 28, 2006

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It's what you pretty much end up with as a result of an ill fated "Fix Up Date"and the guy is just so pathetic cause of a divorce or some other normal catastrophe that any woman would toss back 2 Cosmos and move on..
" So i saw Brian a second time..and dang..it was so just draining to hear it over and over so i got to where mercy sex was either a placebo or anesthetic..the sex we won't even discuss....Hey!! Waiter more Cosmos here..!!
by MADELINEB February 08, 2008

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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having sex until the person screams mercy
I had mercy sex with Jane last night and she was screaming mercy after 2 hours
by oddview September 09, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt