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whack definition

whack (hwak, wak)

transitive verb, intransitive verb

  1. to strike or slap with a sharp, resounding blow
  2. ☆ Slang to murder (a person), often, specif., for pay

Etymology: echoic

noun

  1. a sharp, resounding blow
  2. the sound of this

Related Forms:

whack Idioms

at a whack

or at one whack
Informal at one time and quickly or without pausing

have a whack at

or take a whack at☆ Informal
  1. to aim a blow at
  2. to make an attempt at

out of whack

☆
Informal not in proper working condition

whack off

  1. Informal to separate or remove by or as by a blow
  2. Slang, Vulgar to masturbate

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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