The five hundred tooth dinosaur is a internet meme where as the dinosaur in question is not only funky looking but is scientific name is nigersaurus
Mike: hey dude have you seen the nigersaurus. it’s the 500 teeth dinosaur
Everybody: *beats mike down on the ground*.
Everybody: *beats mike down on the ground*.
by Gradd November 29, 2022

Things that you place around the house as a joke but lose track of, and eventually find over the years like Easter eggs.
by Just a person procrastinating October 13, 2021

by Zecnode November 16, 2020

An alternate way of describing when a female is atop a male during sex. Originated from 4chan.
AKA The cowgirl position.
AKA The cowgirl position.
"Hey dude, did you sleep with Lisa yet?"
"Oh yea bro."
"How was it?"
"We kissed a little, then got on the floor and she walked the fucking dinosaur."
"Oh yea bro."
"How was it?"
"We kissed a little, then got on the floor and she walked the fucking dinosaur."
by Dmacattack93 August 21, 2011

dinosaur (ke$ha)
WL: "Hey, wanna come with me?"
RM: "I'm about to barf, seriously!"
then ke$ha vomits and to get rid of the taste smashes a bottle of jack and brushes her teeth. because she is just. that. smart.
WL: "Hey, wanna come with me?"
RM: "I'm about to barf, seriously!"
then ke$ha vomits and to get rid of the taste smashes a bottle of jack and brushes her teeth. because she is just. that. smart.
by you need a catscan! September 9, 2010

Yesterday I went to visit my grandpa at the retirement home and there were Thunder Thigh Dinosaurs everywhere.
by Cryscuffs March 12, 2011

by Illegal Memes October 4, 2016
