Derpasaurus Rex 

A name coined for the dinosaur that appears at the end of the stage 'Dino Dino Jungle' in Gamecube's "Mario Kart: Double Dash!" The Derpasaurus sticks his face across the bridge as you are karting across.

Player 1: "dude, the derpasaurus rex knocked me off of the bridge!!! "

Player 2: "figures broski, he's crosseyed"

Derpasaurus Rex by Broviet Russia May 18, 2011

dumpasaurus rex 

a tremendous dump, so large that it literally roars forth from your asshole and fills the entire bowl.

Get the fuck out of my way Charlie, I have to take a dumpasaurus rex!

dumpasaurus rex by teabagg bandit May 14, 2005

Debrasaurus-rex 

Likes the color green, an individual that is fascinated with wizardry. Is a relative of the gaga monster family. Tends to consist of a diet of Karp. When dealing with creature, be sure to remember that her friends are not to be harassed--will attack without warning if this happens. Note: attacks consist of mocking insults and trumping you in man-cards. Debrasaurus' tend to wear the pants in the relationship that they are engaged in. If a person has one or more of the above listed traits, he/she is defined as a 'debrasaurus'.

You are such a debrasaurus-rex!

Debrasaurus-rex by BigHeadedShakespeare August 18, 2011

dorkasaurus rex (d-rex) 

A person exhibiting all forms of stupidness.

He is such a dorkasaurus rex (d-rex)!

dorkasaurus rex (d-rex) by akeenan January 27, 2006

derpisaurous rex 

A derpisaurous rex is a beautiful, majestic creature. He bathes in the showers of derpiness, he eats derps for breakfast.

"That derpisaurous rex is eating a cabbage! Mom! Get the camera!"

derpisaurous rex by ChunkyMama69 November 17, 2015