whack

/wæk/
noun
  1. A sharp, forceful blow or hit.
    • He gave the nail a good whack with the hammer.
    • She felt a whack on her shoulder and turned around.
    • The branch fell with a loud whack on the roof.
  2. A share or portion of something, especially in the phrase 'full whack' or 'top whack'.
    • Each person got their whack of the pizza.
    • I paid the full whack for the concert tickets.
    • The top whack for that model is $500.
  3. An attempt or try at something.
    • I'll give it a whack even if I'm not sure I can do it.
    • Let me have a whack at solving this puzzle.
    • He took a whack at fixing the leaky pipe.
verb
  1. To hit or strike something or someone with a sharp, forceful blow.
    • She whacked the ball with the bat and sent it flying over the fence.
    • The gardener whacked the weeds with a long stick.
    • He whacked the table in frustration, making everyone jump.
  2. To defeat or overcome someone or something decisively.
    • Our team whacked the competition in the final game.
    • She whacked her personal best time in the race.
    • The new software whacked all the bugs in the system.