To own or be above someone and to spare their life in exchange for something. Or allow them final words before they die.
yo bitch you better sit you ass down, and I will be merciful on yo ass!
by Merciful May 6, 2003
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the most sexiest person in the world. the most hottest, freshest, awesomest person ever. merci has the fattest wettest punani ever and makes squishy noises when she walks. everyone loves merci
andres- “i love the way merci walks.”
layla- “ me too i love hearing that fat gushy pussy when she walks.”
by MyNameIsNotNoah January 17, 2021
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A person who will not let you down ever. Usually very artistic and caring. Easy to make laugh, but cries at the slightest thing. Hard to cheer up after that.
Hey, Mercy, why are you crying?
Someone said "what are those" and walked away laughing! (tears pouring out of eyes)
by Dan Crow December 3, 2017
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When a student partakes in a class for a full semester, and holds a close to, if not failing mark.

Come the final exam, the failing student bombs the final, but the teacher passes him along into the next grade/course level via "mercy pass".
Jeff is practically a chimp. The only way he'll pass this course is if he gets mercy passed. Hell. A chimp has more of a chance now that I think about it.
by Gin_Tama January 27, 2010
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When you hang out with somebody who is lame, but only because you feel bad.
Dude 1: Yeah, so I hung out with Adam the other day.
Dude 2: Why? That dude is so lame.
Dude 1: Yeah, I know. It was a total mercy chilling.
by Tommy Vancouver August 24, 2009
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Flushing a particularaly bad-smelling turd down the toilet in the stall of a public bathroom while you are still crapping so other people will not smell it. This can be repeated as many times as necessary.
Person in right stall: *Poops*

Person in left stall: "Oh God! That's Horrible! How about a
Mercy Flush?"

Person in right stall: *Flushes*

Person in left stall: "Thanks."

Person in right stall: "Welcome" *Continues Pooping*
by VegitarianZombie July 23, 2009
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