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Verb: whack  wak
  1. Hit hard
    "The teacher whacked the boy";
    - sock, bop, whop, whap, bonk, bash, boink [N. Amer], wham, wallop, lamp [UK, informal], clock [UK, informal]
Noun: whack  wak
  1. The sound made by a sharp swift blow
  2. The act of hitting vigorously
    "he gave the table a whack";
    - knock, belt, rap, whang

Sounds like: voraciousness, veraciousness

Derived forms: whacked, whacking, whacks

Type of: blow, hit, sound

Encyclopedia: Whack