Skip to main content
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.

pwnasaurus rex 

Referring to pwnasaur} but adding the [really sweeeeet rex at the end, so ppl know whos boss.
Pibb: wow dude you totally pwned me hard!

Phatty: what can i say im a pwnasaurus rex my friend.

Pibb: ALL YOUR BASE ARE BELOGN TO US!

Phatty:I AM TEH LEET HAXXOR PWNASAURUS REX!

Pooasaurus Rex 

A T- Rex, oddly combined with a Poo. It has the body of a T-Rex, and the head of a Poo.
A scientist was in the deep forests of the amazon, when he saw a Poo and T-Rex mating. The scientist came back a few months later, seeing a large egg in a nest. It was moving. the scientist walked over to it, and the top of the egg cracked open. A head of a child poped out. Scientist was confused. "Little girls dont come from eggs!" the scientist yelled. The small child came out of the egg with a dinosaur body! " I WILL CALL THIS A POOASAURUS REX!!!!" The scientist screamed.
Pooasaurus Rex by ilovemyjrt09 March 2, 2011

pwnasaurus rex 

teh pwnasaurus rex = teh mad 1337 hax-r that pwnz all at everything
Phatty:man you totaly pwned me lu bu
Lu Bu:I know i r teh pwnasaurus rex of ut2k4
pwnasaurus rex by booshels June 5, 2005

pedasaurus-rex 

a playful nickname for a man who is dating a younger woman.
that man is such a pedasaurus-rex. he is dating a highschooler, but they are cute together.
pedasaurus-rex by ailrojacko May 30, 2009

Pegasaurus Rex 

A prehistoric creature in which is listing one’s bousum for a pegging
“Is art thou a pegasaurus Rex” - Shakespeare
Pegasaurus Rex by OG Giggleshitter December 22, 2024

Pimpasaurus Rex

Pimpasaurus Rex is a derogatory term for someone who is of Jewish decent
“Yo yo yo wassup pimpasaurus rex?”

“Kill yourself”
Pimpasaurus Rex by _#%^*> April 2, 2022
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Load more