backfist

noun
back·​fist | \ˈbak-ˌfist \
plural backfists

Definition of backfist 

: a punch thrown by a fighter with the back of the fist usually at the end of a quick spinning movement The instructor threw a backfist at three-quarter speed, but this time the student wasn't fast enough.— Dr. Thomas J. Nardi, MA Training, July 1995 The 39-year-old Le set the tone early …, landing a spinning backfist early in the first round that put Silva down.Associated Press, 20 Nov. 2011

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First Known Use of backfist

1971, in the meaning defined above

History and Etymology for backfist

back entry 1 + fist entry 1

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Dictionary Entries near backfist

backfin

backfire

backfisch

backfist

backfit

backflap

backflash

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Time Traveler for backfist

The first known use of backfist was in 1971

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