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

T-Rex'd 

When you can't function your hands while overdosing on cocaine.

That Coke had me t-rex'd bro.

T-Rex'd by Modiggity December 7, 2015

cockasorus rex

A female that devours all male genitalia in her path.

Are you crazy man she is a Cockasorus Rex, no male genitalia survives her jaws!!!!

cockasorus rex by CrazyAsian27 December 28, 2015

thighranosaurus rex 

A tall person with large leg muscles

"Just went to the gym and was at a treadmill next to this thighranosaurus rex"
"The hell's a thighranosaurus?"
"Bitch had bars of iron for legs and could probably reach the top shelf at Costco by jumping."

thighranosaurus rex by DeJango June 29, 2016

Drunkasaurus Rex 

The drunk person in your neighborhood known for doing yardward with a beer in one hand and lawnmower in the other; Also known for walking his dog while drinking beer;

Look! Drunkasaurus Rex is using the hedge trimmers! Better call 911 now!

Drunkasaurus Rex by Trev's Mom June 5, 2016

Swagasaurus Rex 

A guy with so much swag he turns into a t-rex.

that guys so swaggy he looks like a Swagasaurus Rex

Swagasaurus Rex by Dub Editions September 15, 2016

Flex rex 

When a guy flexes his dick to make it bigger.

yo did you hear about Dave pulling a flex Rex

Flex rex by Camoflame88 May 27, 2016