2. to wreak other havoc to an object (comparable to that of a person being hit by a car)
1b. i'm about to merc that stupid bitch standin in the middle of the road.
2. i threw a party, and those assholes merced my house with pasta sauce.
2. anyone who serves or works merely for monetary gain; a mugger
This may be due to the victim eyeing the mercs' girlfriends, or giving any of the mercs a bad look, or there may be no explanation to fuck a person up.
My mercs fucked you up, nigga.