Mattypoo 

a cute nickname for an adorable Boy.

Mattypoo is so cute. ok then, don't call me that, ok then.

Mattypoo by bmasterpro April 17, 2011

MattyPoison 

A popular scene kid with a trademark large blonde fringe wearing nike jackets, skinny jeans and air force one's. Often spotted on emo/scene-ridden urbis.

Scene/Emo: Look it's MattyPoison! I have yer myspace!

MattyPoison by Needs January 11, 2009

mattpoopsalot1 

a person who keeps using !urban in a discord server to find weird shit to the dismay of everyone else.

A: Bruh this mattpoopsalot1 just urbaned "Bathroom Battleship"
B: Why did he do that, this guy is super weird

A: He also urbaned "Cold Lunch"
B: I don't even want to know what that means. Thanks for warning me man.

mattpoopsalot1 by Hey It's Me Goku! July 13, 2022

Mattpoon 

A term used to describe a male coxswain in the sport of rowing who usually wears a butt plug and has frequent voice cracks.

Person 1: Hey did you see that coxswain when they were taking out the boat?

Person 2: Oh yeah! The one with the voice crack LOL? “unstrAAAAp!”

Person 1: That guy is such a mattpoon man! I swear I saw a butt plug in his ass too!

Mattpoon by BigGangstaVibez June 13, 2021

mattypoop 

a short little boy
who i've been taller
than for the last 1O
years of both of our
lives. he's also my
best friend since like.
kindergarden (= be jealous.

omggggg mattypoop (= you shorty!

mattypoop by kaysea December 15, 2008

mattymoomar 

Australian Electronic Dance DJ/producer

My favourite Dj is Mattymoomar.
Have you heard the new Mattymoomar song?

mattymoomar by Australian DJ's August 8, 2023