Top Definition
a word white people can use to refer to there black friends who may be opposed to "nigga" or any other type of referance such as bra, bro, homie, homes, vato, esa, dude, man, etc....
Ay nilka what's good on the streets??
-Nothing nilka nilk just kickin it.
by TfishThePussyMonsta August 07, 2009
adj. Describes someone that is spontaneous and doesn't really think things through. Says things that might not make any sense. You live life as if you were on drugs all the time.
Michelle said the most random thing today, sometimes i don't understand her, she's so nilka.
by clusterphunkyphresh April 15, 2009

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