grantasaur 

a homosexual dinosaur that likes to do make-up and has amazing hair!

omfg, he is such a GRANTASAUR!

grantasaur by GayyyyShaaaaaa June 17, 2010

Gruntosaurus Rex 

taking a dinosaur-sized crap; would win the "shit of the year" contest; the kind of dump where you lose weight.

After not crapping for a week, I sat down and loaded up the bowl with a Gruntosaurus Rex.

Gruntosaurus Rex by DinoDave May 6, 2010

gankasaurus 

A kleptomaniac who steels often. This person maliciously ganks for pure satisfaction in the loss of others.

Winona Ryder is a gankasaurus.
That gankasaurus just stole my killtacular.

gankasaurus by Wags82 October 21, 2008

gangasaurus 

A term created by no one other than Kai cenat (famous YouTuber, twitch streamer, influencer). It is another word for Gangy, Gangalanche, and Gangatron. You can use this term to call your friends and people that’s close to you,

Yoo "gangasaurus" what you doing today?Wanna go watch Kai’s stream!

gangasaurus by Cameron - AKA [drip da Crip] April 25, 2022

Ganjasaurus Rex 

When the Marijuana being smoked is unbelievably loud, and makes you monstrous in bed.

Person 1: Dude, how was boning Bridget last night?
Person 2: Bromigo, it was fantastic. I burned some of that OG Pineapple Express before,

and I plowed her like a fuckin Ganjasaurus Rex.
Person 1: Rad.

Ganjasaurus Rex by SammieJ. January 13, 2014

gronkasaurus 

a fool, an idiot, a dickhead, a silly person but a good friend. Not used as an insult

Jessy is my little gronkasaurus

gronkasaurus by LiL baybee gurl <3 August 10, 2007

Guanasaurus Rex 

Is a kind and loveable asian dinosaur, often referred to as a G-Rex

Look at the nice Guanasaurus Rex.

Guanasaurus Rex by G-Rex the Asian101 October 10, 2013