A black man that likes to sneak people.
I got surprise attacked by a black man. He must've been a ninga.
by Pokedex #184 October 11, 2017
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The combination of the words Nigga and Ninja.
A Black Ninja.
I got my assed kicked by that stealthy ninga.
by 3rd St. Ganstas November 18, 2005
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Someone: I am a ninga.

Me: BLKAO!!!!!!!!!!!11kfok!
by God Mcgod February 04, 2004
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A ninga is a person who uses a Ning as a form of social network. Pronounce it by saying "ning-a", like "singer".
"I use a Ning, I'm such a ninga!"
"I wonder what the ningas are blogging about today?"
by Nooko August 21, 2009
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Definition: Someone of a whole other new level of utter incompetence along with stupidity

Often used when someone is unable to perform a simple task or unable to function like a normal human being.

Plur: Ninga(s)
“Yo, quit being such a ninga and get your shit together.”
by Canada fuck ya June 04, 2018
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Ninga

Adjective

Ninga is a Brown haired Scottish regect who only goes to school 6 hours a week(not always at once), when their not at school their burning through 6 twitter acount in the year where they says that they "wont bully people" and startz bullying egirls a week later and also stream snipes people in dead games.
Ninga's forgot his bagpipes to taunt teh downie school across teh road
by Mcvc98 July 21, 2018
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