D defs.my
Entry 6 senses · 3 variants Webster, 1913

Whack

/wăk/ · IPA /ˈwæk/
01 v. t. To strike; to beat; to give a heavy or resounding blow to; to thrash; to make with whacks.
imp. & p. p. Whacked; p. pr. & vb. n. Whacking
  1. 1.
    To strike; to beat; to give a heavy or resounding blow to; to thrash; to make with whacks.[Colloq.]
    “Rodsmen were whackingtheir way through willow brakes.” — G. W. Cable.
  2. 2.
    To divide into shares; as, to whack the spoils of a robbery; -- often with up.[Slang]
02 v. i. To strike anything with a smart blow.
  1. 1.
    To strike anything with a smart blow.
Phrases & compounds
To whack away — to continue striking heavy blows; as, to whack away at a log.
03 n. A smart resounding blow.
  1. 1.
    A smart resounding blow.[Colloq.]
  2. 2.
    A portion; share; allowance.[Slang]
  3. 3.
    an attempt; as, to take a whack at it.[Colloq.]
Phrases & compounds
Out of whack — out of order.