whack: Meaning and Definition of

whack

1. to strike a smart, resounding blow or blows.
2. The cook whacked off the fish's head.
1. to cut off or separate with a blow:The cook whacked off the fish's head.
2. Slang (vulgar). to masturbate.
3. to produce quickly or, sometimes, carelessly: She whacks out a short story every week or so.

1. a smart, resounding blow: a whack with his hand.
2. a trial or attempt: to take a whack at a job.
3. a portion or share.
4. out of order or alignment; not in proper condition.