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

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

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

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

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

maceypooper 

When you're girlfriend is pooping or has pooped.

Hey there, hows my maceypooper doing?

maceypooper by Zomgitszack December 19, 2016

Post Maturpooping 

The urge one feels to poop before masturbation.

I wouldn't have been caught if I didn't experience a bad case of post maturpooping!

Post Maturpooping by Absolute Boredom October 25, 2009