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A really really fun word to say.
D: Hey Bob!
B: What?
D: MOOP!!!
by Daniela K. October 14, 2006
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15
1. Offensive term used to describe the mentally and physically challenged; slow witted, uncoordinated, stupid. retard downie

2. The name of Kiles band in South Park
Ex. moop-ball - A way to describe the quality of a sporting event. Co-ed softball can also be referred to as "Moop-Ball" because the quality of the game is so poor.

Ex. After your third car accident in a year your driving skills can be described as moop-ish or moop-like.
i.e. You drive like a moop!

by mgilly August 23, 2007
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16
The area of the body located between the testicular sack and the entry hole of the anus. Characterized by smooth, soft skin and supple features that are totally awesome.
He just got kicked in the moop!

My moop is sore!
by poopsquirt January 08, 2011
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17
A person that has moobs and mopes around that he is fat.
Spencer became fat after breaking his leg and became a moop.
by Notamoop June 20, 2009
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18
A neutral version of meep. Can be also used randomly..
1st person (who is excited): Meep!
2nd person (who is not excited): Moop.

or

Moop.
by ladyjulianne November 30, 2003
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19
a word to fill the silence with the hopes of making the other person laugh.
I said moop and things were comfortable again.
by Jeanette October 23, 2003
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20
The name of Stan, Kyle and Kenny's band on South Park.
Cartman's Christian rock band, Faith +1, went on to make millions of dollars while Moop decided to protest illegal downloads of music.
by Bubba Bubba Bubba April 19, 2007
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