1. Getting mad enough that you throw your own feces at a person or thing. 2. Mad enough to go crazy and wail one's arms about, like an angry monkey. This usually involves throwing shit at something.
"Did you see the outdoor concert last weekend? It got pretty gross."
"Yeah, some crazy motherfuckers were going full monkey and threw their shit at the stage."
by Six_gun_samurai November 2, 2011
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