whacking

(noun) the act of inflicting corporal punishment with repeated blows. Synonyms: beating, thrashing, licking, drubbing, lacing, trouncing.

(verb) hit hard. Synonyms: whack, wham, whop, wallop. Examples: "The teacher whacked the boy."

(adj) (British informal) enormous. Examples: "A whacking phone bill." "A whacking lie."

(adv) extremely. Examples: "A whacking good story."