Rigasaurus 

Someone with a hot body (rig) but cute too (like a dinosaur)
-Australian slang

Girl, you are a mum absolute Rigasaurus 😍

Rigasaurus by Aussie girl 123 January 31, 2025

Remasaurus Rex 

the term used when a person with the name "Remy" is thought of as a dinosaur, usually when the face of the Remy is cut out and pasted on the head of a picture of a dinosaur.

Person 1# Who is this person and why is their picture glued to this picture of a dinosaur?

Person 2# It's Remasaurus Rex!

Remasaurus Rex by awureek July 2, 2009

Rizzasaurus Rex 

Sai B is the definition of a Rizzasaurus Rex

"God damn hes pulling all the bitches"
-Andrew
"Thats Sai B right there the Rizzasaurus Rex"
-Tate

Rizzasaurus Rex by Jacob Altrevaiz December 7, 2022

nigasaurus 

Any dinosaur that is black, or any black person that has dinosaur like markings.

Hey look at that nigasaurus Rex!

nigasaurus by hilder cowboy May 8, 2016

pigasaurus rex

Police officer in a police car trolling.

Hey, watch out for the pigasaurus rex over there.

pigasaurus rex by cfrhoar June 16, 2010

Ritasaurus

The most beautiful dinosaur to ever exist. Fast, small, and very vicious. Hypnotizes prey with beautiful eyes, and attacks when least expected.

The Ritasaurus came inches away from biting my head off, but i gave it a chocolate covered strawberry and it let me LIVE!!

Ritasaurus by modaddy89 March 2, 2011

ragasaurus rex 

someone on the rag who is a huge bitch.

becky, i know its that time of the month, but you dont have to be such a ragasaurus rex.

ragasaurus rex by stephanie and dan April 16, 2007