AK-47 /ˌeɪ.keɪ.fɔː.tiˈsɛv.ən/ noun2 •The Soviet-built 1947 Kalashnikov assault rifle or any similar rifle built to this design.Here we go. AK-47. The very best there is. When you absolutely, positively got to kill every motherfucker in the room, accept no substitutes. — 1997 •A large South African sandwich; a kind of gatsby. formsAK-47s