Basically, Nigger Slammed simply means, when one or more niggers carelessly backs-up their old piece-of-shit jalopy into a brand new, clean, nice 'White Man's' car. All because he or she is a stereotypical Nigger.
"Hey bro! What happened to the bumper of your new Challenger?!"
"Oh you know bro.. i just got Nigger Slammed yesterday!"
by stile335588 April 3, 2012
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a term used to describe a massive cock slamming someone, typically derogatory

also an up and coming phrase for online chatting since it gets around word filters on such games as that in LOTR: BFME
bob: i own you
bill: NEVAR!!!!! i'll nigger cock slam your ass
by bob March 14, 2005
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