Top Definition
a name to call someone, usually as a put down. Used along the same lines as whomp
Can also be used in place of a cussword like shoot or crap
1. Shut up and eat your green beans you stupid muttball.
2. Stop pooping your pants, you're acting like a muttball.
3. Ah MUTTBALL, I just locked my keys in my car!!
by KristinD May 08, 2006

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