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90.
A small bovine that lacks lactating abilities. Usually can be found in the Southern plains of America and frequently blamed for unexplained phenomena.
Who left the toilet seat up? Ummm, Moops did it?
by babydababy October 18, 2008
 
1.
Misprinted word in Trivial Pursuit of Seinfeld which is actually Moors. Because of this, the Moors is now sometimes referred to as the Moops.
It's not the Moors, it's the Moops!
by Pang Mu April 08, 2003
 
2.
kyles band on south park
woo moop!
by Yo Mama November 01, 2003
 
3.
A morning poop; The result of heavy coffee drinking during the morning. Commonly occurs before leaving for work/school or at a break before lunch.

Not to be confused with a noop.
After 5 cups of coffee, a moop is required to evacuate your bowels.
by Jerktart July 28, 2011
 
4.
from "Seinfeld", the "Moops" were the nation that conquered Spain & gave it the twinge of Islamic architecture seen to this day, according to the card George was reading from when playing Trivial Pursuit against the "Bubble Boy". Bubble Boy insisted, quite rightly, of course, that the answer was "Moors", but George being the prick that he was, wouldn't give him credit for the answer. The townspeople later drove out the fiendish George & Jerry for their mistreatment of the Bubble Boy.
Bubble Boy: It was the Moors! The MOORS!

George: No, I'm sorry, it was the Moops. The card clearly says, "Moops".
by FunkyBumpkin May 02, 2005
 
5.
Matter Out Of Place
used for garbage left on the playa at Burningman.
by Anonymous June 10, 2003
 
6.
knickname for the group that invaded Spain in the 16th century. Real name Moors, but due to Seinfeld, sometimes referred to as the Moops
George: "Sorry, but the card says Moops."

Bubble Boy: "There's NO MOOPS!"
by Yigstein's Money February 17, 2011
 
7.
the noise a turtle makes
turtle- .:pokes head out of shell and looks around:. moop
by T February 05, 2004