Top Definition
The first word ever used or said by an African Caveman. All of the sons and grandsons of this Caveman wokeup from a dream saying "Ugga Mugga Bugga".
Sesinos has been saying Ugga Mugga Bugga a lot lately. He's probably related to that African Caveman
by cow&parrot&buffcaterpillar December 27, 2010

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