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1. (informal) enormous
   "a whacking phone bill"; "a whacking lie"

1. The act of inflicting corporal punishment with repeated blows
   - beating, thrashing, licking, drubbing, lacing, trouncing, hiding

1. Extremely
   "a whacking good story"

1. Hit hard
   "The teacher whacked the boy";
   - sock, bop, whop, whap, bonk, bash, wham, wallop, clock [Brit, informal]

Derived forms: whackings

See also: big, large

Type of: corporal punishment, hit

Encyclopedia: Whack