Top Definition
a large, muscular black man
a gangster/gangsta

Slang: a black man, nigger/nigga
That's one big Niggasaurus
Yo, hes a Niggasaurus Rex
He's a straight up Niggasaurus
by Steve!! February 23, 2006
2 more definitions
An old person, particularly of the African American sort
Joe to his grandpa: yo niggasaurus hurry up I gotta go to school!
Grandpa: what sonny?
by GetGrooseWitIt2.0 December 06, 2010
a very large black person who is almost considered as a black vortex sucking everything it touches, also known as a Chaz
Holy Shit! a Niggasaurus just ate Mcdonalds
by NInja7x July 22, 2009

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