by Sean sneeks September 20, 2021

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

Having a large penis that stretches out seemingly enlessly.
Jo has a wangasaurus rex.
by blagles May 1, 2015

When a girl does the guys in the orgy, basically a reverse orgy. Commonly done with the girls gay best friend
by AllahuakPeter February 13, 2025

Physically weak individual, a person who wouldn’t be able to carry you if you got shot in a firefight.
by LilpumpPoopdollar April 6, 2019

by swdefrgthzjuiklopö December 10, 2019

A Thot of the plus size stature.
A woman who has loose morals and has a huge hunger for food and sex. A Thotasourus Rex is not someone to share your bed room with she will leave grease stain and cheeto debris in your bed and your fridge empty
A woman who has loose morals and has a huge hunger for food and sex. A Thotasourus Rex is not someone to share your bed room with she will leave grease stain and cheeto debris in your bed and your fridge empty
Damn dude Mike said he had Shandah over and she ain't up all the kids snacks and left a funk in his bed. Man I told Mike she was a thotasourus rex.
by SMOKIE13 August 29, 2018
