whack - definition and synonyms

verb [transitive] informal 

Your browser doesn’t support HTML5 audio

/wæk/
present tense
I/you/we/theywhack
he/she/itwhacks
present participlewhacking
past tensewhacked
past participlewhacked
  1. 1
    to hit someone or something with a lot of force

    I whacked my knee getting out of the car.

    Some kids were whacking the tree with sticks.

    He whacked his little sister on the head with a spoon.

     Synonyms and related words
     Synonyms and related words
  2. 2
    British to put something somewhere quickly or carelessly

    Just whack the fish under the grill for ten minutes.

phrasal verbs