negasaurus 

When someone is a negative Nancy and needs a special name for the amount of negativity.

Natasha is a negasaurus!

negasaurus by jwalkaded April 3, 2017

negasaurus 

Said when something is to the contrary. Usually in a foreign country surrounded by other English speaking freinds.

Person #1: "Do you think you'll be able to come over to my party this evening?"
Person #2: "That's a big negasaurus."

negasaurus by Teety Beer May 13, 2005

nubasaurus rex 

your such a big nub, your the t-rex of nubs.

jake: lmao you drowned in a fire you nubasaurus rex

nubasaurus rex by i_iz_teh_1337 January 11, 2009

niggasaurus 

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?

niggasaurus by GetGrooseWitIt2.0 December 7, 2010

Nerdasaurus Rex 

(N.) The biggest nerd that you know.

Elsie stayed up studying all last night, even though the test is next Tuesday. She is truly a Nerdasaurus Rex.

Nerdasaurus Rex by DMS May 29, 2005

Negrosaurus 

The Negrosaurus is believe to of lived almost 100thousand years ago. Recently discovered in Africa. He was blieved to be one of the meanest dinosaurs in the hood. His diet is believed to of been mainly chicken-like-dinosaurs. Yes the Negrosaurus had black skin.

"I want a toy Negrosaurus dad! Hes the coolest dinosaur!" Said Kid
"Sure son" said Father.

Negrosaurus by SpaceCowboy1234 March 14, 2009

Niggasaurusrex 

A very tall black man who is able to dunk a basket ball at only 12 years old

Homeboy1: yoooo you saw my niggasaurusrex Jamie out there!?
Homeboy2: awwwwwww yeahhhh son

Niggasaurusrex by Tamer "LiL dEaFy" Attalla December 23, 2006