Shaggersaurus Rex 

A surprisingly tame beast which possesses the unparalleled ability to sweep up any bird’s snapchat

Phwah Ella, would you look at Ben, he’s a real shaggersaurus rex.

Celine: Wow! He’s driving those ladies bananas!

Shaggersaurus Rex by myflatmateisbeingsilly November 19, 2020

Awkward T-Rex

Proper noun usually accompanied by hand gestures signifying small arms and a mimed a chomping motion. Denotes and objectifies the awkwardness of a prevailing situation in the form of a giant imaginary dinosaur.

Girl says "how's Kimberly"
Guy says "she dumped me last week"
Girl screams "awkward T-Rex!"
Laughter.

Awkward T-Rex by British Daniel June 17, 2012

Flakasaurus rex 

n. (flake-a-sore-us-rex) a. Someone who is unreliable and never does what they say they are going to do.
b. The biggest flake you know.

Tim: Hey, John, I thought you said you were coming.

John: No, dude, I have to wash my dog.

Tim: You're such a flakasaurus rex.

Flakasaurus rex by -Angel- July 16, 2011

Retarded Tyrannosaurus Rex

When a man, laying flat on his back, is having sex with a women who is sitting on top and facing forward. Right at the very moment when the man is about/during to cum, the woman surprises the man with a full force punch to the solar plexus, aka the middle of the chest. This with cause the mans face to contort and his arms to pull into his chest; like a retarded T-Rex.

It was Stacie man, she pulled a Retarded Tyrannosaurus Rex on me last night and I haven't been able to breath right since.

Retarded Tyrannosaurus Rex by Genis9000 March 12, 2011

Doucheasaurs Rex 

Someone who is a mega douche. someone exhibiting excessive douchiness.

Dude, quit being a doucheasaurs Rex.

Doucheasaurs Rex by Jess Ski October 21, 2008

Metal gear Rex 

Rex, the one metal gear that everyone will remember. Solid Snake also pilots Rex and defeats Liquid Ocelot's Ray USING REX. Most epic battle ever.

...Did Metal gear Rex just beat ray?

Yes, yes he did.

Metal gear Rex by sergetrigger September 26, 2008

Fagasaurus Rex 

one who is such a big fag, the only thing large enough to compare their gayness to is a dinosaur.

Quit touching my leg Fagasaurus Rex.

Fagasaurus Rex by friedchicken347 July 3, 2010