Gaynosaur 

A big ass person about 6'8 or taller with the combination of also being a sexual predator that hunts for penis during the night.

The guy that died last night may have been a victim of a Gaynosaur attack.

Gaynosaur by The Stuffinator Knowhow March 5, 2015

gayasaurousrex 

A gay boy often named zach and yells im a stegosaurus all day like a woman

Your such a gayasaurousrex zach

gayasaurousrex by Dat one guyyy January 14, 2016

Gynosaur 

One step above "Cougar" in the scale of women. Pussy so old its fossilized.
a.k.a. Rapidly aging, Botox-addict and ex-supermodel Janice Dickinson.

" Man, what a gynosaur...I'd probably screw her, just gotta remember to blow the dust off first. "

Gynosaur by the Den of Iniquity October 6, 2006

Gasnossaurus 

Used to describe the look, smell, and overall potency of a marijuanna strain.

Dude this is some straight gasnossaurus.

Gasnossaurus by Don Gasnossaurus September 17, 2020

gynosaur 

a gynecologist dinosaur

Dr. Lickalottapuss, do you suppose there were many gynosaurs helping deliver babies in the Jurassic period?

gynosaur by dookeyboy November 24, 2010

gayasauras rex

A fucked up reptile/human who everybody hates but still hangs out with

Sam is such a gayasauras rex because she likes to be a buzzkill. We only hang out with them because every other group has a gayasauras rex with them

gayasauras rex by iscorebra February 5, 2010

gynasaur 

old lady, girlfren, wife etc

i was gonna go to the pub but, the _gynasaur_ bit me on the arse.

gynasaur by cravan May 11, 2011