Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun whack

2 senses of whack

Sense 1
whack -- (the sound made by a sharp swift blow)
       => sound -- (the sudden occurrence of an audible event; "the sound awakened them")

Sense 2
knock, belt, rap, whack, whang -- (the act of hitting vigorously; "he gave the table a whack")
       => blow -- (a powerful stroke with the fist or a weapon; "a blow on the head")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb whack

1 sense of whack

Sense 1
whack, wham, whop, wallop -- (hit hard; "The teacher whacked the boy")
       => hit -- (deal a blow to, either with the hand or with an instrument; "He hit her hard in the face")