'Whack' definitions:

Definition of 'whack'

From: WordNet
noun
The sound made by a sharp swift blow
noun
The act of hitting vigorously; "he gave the table a whack" [syn: knock, belt, rap, whack, whang]
verb
Hit hard; "The teacher whacked the boy" [syn: whack, wham, whop, wallop]

Definition of 'Whack'

From: GCIDE
  • Whack \Whack\, n.
  • 1. A smart resounding blow. [Colloq.] [1913 Webster]
  • 2. A portion; share; allowance. [Slang] [Webster 1913 Suppl.]
  • 3. an attempt; as, to take a whack at it. [Colloq.] [PJC]
  • Out of whack, out of order. [Slang] [Webster 1913 Suppl.]

Definition of 'Whack'

From: GCIDE
  • Whack \Whack\, v. t. [imp. & p. p. Whacked; p. pr. & vb. n. Whacking.] [Cf. Thwack.]
  • 1. To strike; to beat; to give a heavy or resounding blow to; to thrash; to make with whacks. [Colloq.] [1913 Webster]
  • Rodsmen were whackingtheir way through willow brakes. --G. W. Cable. [1913 Webster]
  • 2. To divide into shares; as, to whack the spoils of a robbery; -- often with up. [Slang] [Webster 1913 Suppl.]

Definition of 'Whack'

From: GCIDE
  • Whack \Whack\, v. i. To strike anything with a smart blow. [1913 Webster]
  • To whack away, to continue striking heavy blows; as, to whack away at a log. [Colloq.] [1913 Webster]