definition of
whacking

[1] #1 whacking n. [beating, thrashing, licking, drubbing, lacing, trouncing] the act of inflicting corporal punishment with repeated blows. wn

[2] #2 whacking s. (British informal) enormous; "a whacking phone bill"; "a whacking lie". wn

[3] #3 whacking r. extremely; "a whacking good story". wn