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!"

by ChunkyMama69 November 17, 2015

Methasaurus Rex

A meth user that has gone zombie from using too much meth for too long and who no longer needs food or sleep because they run on amphetamines and nuclear brain fuel.

The Methasaurus Rex went berserk when the drug dealer told them there were no drugs and ripped the fender off the dealer's car.

by Jamiesaurus March 11, 2021

Rex

It means poo

Person1: Bro where is he at?
Person2:he is gonna take a while he is taking a Rex

by Sillylilguy October 3, 2023

charlieosaurus rex

the charlieosaurus rex is a dinosaur founded in 2000s native to florida. Its diet consists of chicken tenders and fries. this animal is commonly seen wearing old fashioned cloths such as grandma sweaters. they r known for attacking elders who nit sweaters so beware

grandma: can’t wait to give this sweater to my grandson

charlieosaurus rex: nope 👎

by door lover October 12, 2023

Rex

A male person with way too high of a voice for their age, sometimes used to called someone immature.

Bro, you're such a Rex.

by nanDict August 29, 2019

A Rex

It has short stubby arms with a big round belly. Instead of a roar it has the vocabulary of the word um. It is narcissistic, bipolar, money hungry, an extreme slob, and has bad breath

Did you see the A-Rex coming into work today acting completely looney?

A Rex is a type of person

by Mc Maze October 11, 2025

rex

the perfect boyfriend, a cute guy with a nice smile and gives you a reason to live <3

I love my rex <3

girl 1 "did you see rex"
girl 2 "yeah he's well cute"
girl 3 "well I'm dating him"
girl 1 "lucky horse"

by starcarsxn October 12, 2025