15
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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16
The noise a turtle makes.
Moop is used as a replacement for "awkward turtle" or when a person just feels the need to say "moop".
Hey, how are you today?
Great thanks you?
I'm fine.

...
...moop
by Stefan the Rippah December 04, 2011
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17
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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18
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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19
The Opposite of Meep.
Moop! Moop! Moop! Moop! Moop!
by David Honsberger November 15, 2004
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20
a word that breaks all tension, perfect for use in tight situations, especially when thieving jews are involved.
Will: You are such a thieving jew, give me back my Spice Girls CD!!
Lyd: No, I need it, they turn me on.
Will: Gosh, I hate you...I never liked you anyway!!!!
Lyd: Im sorry....moop.
Will: Oh I love you, come here for huggle time!!!
by Bulgasaur March 02, 2007
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