grumpasaurus rex

One who is dour on a colossal scale.

Person 1: "What's wrong with Bill today?"
Person 2: " He lost his wallet this morning and all afternoon he was nothing but a Grumpasaurus Rex to everyone in accounting."

by bmyoung November 25, 2013

Bumosaurus Rex

the biggest bum on the planet.

Dylan: Hey man, get i get a cig from ya?
Luke: Dude go buy your own, your such a bumosaurus rex.

by Retrogress April 5, 2011

Lagasaurus Rex

-MikaelaElizabethKirkeby
-someone who lags mad ass
-something that takes a long time
-time consuming people

The fat kid in the P.E. class became known as a Lagasaurus Rex when it took him an hour to run a mile

by OCforlife November 4, 2010

Plagiatosaurus Rex

Another addition to the nvnv collection of natures finest retarded creatures. The Plagiatosaurus Rex is known for its copying skills. It feeds on copypasta and has its ever so famous sound, "RETARD". The sound is often uttered during english classes especially when the Plagiatosaurus Rex is bored. He is related to Antonosaurus Rex but the Antonosaurus Rex denies it.

Plagiatosaurus Rex

by Juggernautic November 7, 2011

Noobasarus Rex

A new player in a video game.Lack of skills.Short playtime.No knowlegde of controls.

"You should've never let him played.He never played before.He's a noobasarus rex"

by Mac1598 March 25, 2009

Jitosaurus Rex

An extension of the word "Jit" with the same meaning
Can also be used as just "Jitosaurus"

Bro stop being such a jitosaurus rex

by DaPhatBoi February 27, 2023

fucktardasaurus rex

A person who is a complete and utter moron.

Wow, he is such a fucktardasaurus rex!

by klca April 26, 2014