Top Definition
something that is better than being beast , if something is beast it is awesome eg that was a beast game of hide and seek so if something is beastious it was the best thing ever
"Man that jump was beastious it was so big" - if used in context that involves a big jump :L but can be used for anything amazing
by Seph the Ninja September 25, 2011

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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