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

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Something such as saying "dammit!" or "shit!" Moop is used as a term that means something negative. Or if you're just bored and feel like babbling.
Aww, moop, my cat exploded!
by SpaceWhale November 10, 2004

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The Mud that lies on the bottom of a creek bed. Characteristics - slimy or chunky (one or the other, and never with rocks), like clay, but has the smell of shit or shite.

When spoken, used in replacement of any noun, verb or adjective.
Gary, Pat and Rory are going to play in some moop.

Gary is a Mooposourous

Pat is in deep moop

Moop-moop
by Roderic O'Connor November 02, 2004

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a self-loathing depressant that lives in the basement of an Asylum(nation.com)
Wow, that guys a real moop.
by CRSR April 16, 2004

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Massive Poop or to massivly poop
Did you see that moop in the toilet, it was bigger than my head

by Robert Atkinson March 20, 2006

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to hang around or associate
lets go moop around the mall

yeah thats kevin's starting to moop around with lizz
by dispatch131xhd April 02, 2005

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Someone of African decent. Someone that claims that they are caucasian, but has dark hair and dark skin; such as a Spaniard or a Sicilian.
If my daughter ever brought a moop home, I'd shoot him right in his face,

Moops can't swim very well.

The Moops began their conquest of Sicily in 827 AD

Those Moops did so much fucking; they permanently changed the bloodline of Sicily.
by Systolic November 27, 2006

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Moop - When u attempt to drink a half gallon of milk and get sick. Then you run and go to the bathroom and "moop"
moop looks like runny white poop (liquid out of your anus)
MOOP = milk and poop
I bet Michalak that he couldn't drink a half gallon of milk and then he mooped all over the place and his grandparents heard it.
by Lucian P Smith May 04, 2005

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