To murder, kill, or otherwise destroy. Derived from the word "mercenary".
If that mothafucka look at me like that one more time, I'm gonna merck somethin'!!!

Jay: Yo Wally, nice haircut, asshole!
Wally: Fuck you bitch, I'll merck yo' ass.
by ACNY August 23, 2006
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to kill, murder, end the life of someone else.
first D got mercked, then rob got mercked, and homie still in the hood, y he ain't got hurt?
by ebkbk May 18, 2005
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to destroy, own, embarrass, pwn, wreck, damage emotionally, ect.

mostly used by bros, sometimes used by commoners.
"We completely mercked in lax dude"

"merck city, population *insert other teams name here*"
by unsexynoob April 6, 2010
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1A. "I'm bout to merck/I say peace to the family/She hop up like/"How you gon' leave before you dance with me?" ~ "Ms. Fat Booty" by Mos Def

1B. We gotta merck out this piece soon, man...girl's gonna start blowing up my cell.
by redgyul June 18, 2005
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to conquer and/or destroy; can be used as another word for fuck
I want to merck Charlie.
I totally mercked my history test.
by ley January 6, 2005
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popular graffitti tag used to describe kids who are un-unabashedly not black, but still into hip-hop. i.e. not trying to front all ghetto.
Prefuse, Deadelus, Daybre, the white guy in swollen members, Machine Drum etc.
by jewla August 27, 2003
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to have sex wit 4 ppl at one time
me john and 2 other ppl
by wee wee October 30, 2003
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