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

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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

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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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

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt