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AK-47 or any other related strains of marijuana.
Puff Daddy: "Yo Biggie, did you get that AK-47?"

Notorious B.I.G.: "Yeah Diddy, I got that Machine Gun Funk, nigga."
by HeteroSkolnikian January 25, 2012
Indiscriminately jizzing all over a female
"Yo Luchi bro, did you end up boning that chic?" - Dave
"Nah, bypassed the BJ too. Just hit her with the machine gun funk." - Luchi
by Ampa Lamps May 11, 2013