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Performed while in the working environment, grab one's hips or midsection, and proceed to violently thrust your pelvic region into the catacombs of one's rectum while laughing and screaming wildly, something similar to a hyena.
"Hey Bob check out Billy bent over there, i think imma buffuck"

"Jack proceeded to buffuck Joey so hard, that people across the store could hear his screams and last gasps for help"

"I could sure go for a nice buffuck right now!"
by james & josh August 28, 2007
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