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Related to roundhouse: roundhouse punch
A kick delivered in a semicircular motion or direction, as opposed to straight in front of the person delivering it. The MMA fighter was knocked out after catching a roundhouse kick directly to the side of his head. She ducked beneath the roundhouse kick and countered with a devastating uppercut.
A punch delivered in a semicircular motion or direction, as opposed to straight in front of the person delivering it. The boxer was caught with a vicious roundhouse punch that KO'd him on the spot. You're better off throwing quick, controlled jabs than swinging those wild roundhouses punches.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a punch to the head made by swinging the arm in an arc rather than by a jabbing punch. He let him have a roundhouse punch that would have cracked a two-by-four.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.