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1.
1. The act of getting "buck wild" on someone, wether it be sexual or by any physical action.

2. Beastful are actions that exceed expectations for "normal" social behavior according to contemporary conventional norms within a society, social class, or group.

3. Getting straight up nasty on a naughty girl!
Margie decided to get mean with Doug, as a result Doug went beastful on her ass...
by Dougie Wougie January 25, 2011