'Whacking' definitions:

Definition of 'whacking'

From: WordNet
adverb
Extremely; "a whacking good story"
adjective
(British informal) enormous; "a whacking phone bill"; "a whacking lie"
noun
The act of inflicting corporal punishment with repeated blows [syn: beating, thrashing, licking, drubbing, lacing, trouncing, whacking]

Definition of 'Whacking'

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 'Whacking'

From: GCIDE
  • Whacking \Whack"ing\, a. Very large; whapping. [Colloq.] [1913 Webster]