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noun. A person or animal that is known to piss and shit in, on, or around anything.
Did you her that Alex pissed on Jan's couch?
Ugh yeah such a mooper.
mooper by birdie7903 August 18, 2021
Urban Dictionary Merch
It is a person who talks about stuff which does not interest his audience. Somebody who speaks of nonsense. Moopers are commonly found in offices with management positions. etymology: mo - mouth oper - from pooper, pooping (crapping)
Stop mooping! you mooper.
mooper by Longgy August 31, 2006
Rickard is a mooper dick. B(
Mooper by OIJLWDSAUOIJF August 20, 2011
This word refers to a domesticated dogs to indicate their level of cuteness. A mooper is a cute dog.
1. Oh my goodness, did you see that super cute mooper over there fetch the ball at the dog park?

2. My sweet mooper turns into a fierce guard dog if someone comes to the door.
mooper by jennieliseo May 25, 2023
Netspeakz for Computer
Example:

netspeak: I haz mooper.
english: I have a computer.

netspeak: yay mooper!
english: My computer makes me happy, YAY for my computer.

netspeak: I can haz mooper plox?
english: May I have a computer?
mooper by Sansui350A October 27, 2010
a person who seems to exhale gas/crap from his/her anus very frequently
I don't want to hang around that mooper because I get nauseated when I do.
mooper by Scrumptious Buns June 10, 2003

Mooper mouth 

One with abnormally large lips and eats a whole lot
Look at him! He has a huge Mooper mouth
Mooper mouth by anonymous June 11, 2023
More from Urban Dictionary
A group of people, typically women, searching through someone’s digital footprint in order to find more information about that person.
Susie wasn’t sure if her new Hinge match was a creep, so she assembled Galantir and they found out he used to post slurs on gaming forums.
Galantir by Ge-sus September 22, 2026
Word of the Day on September 23, 2026
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