Definition of whack :
1. A portion; share; allowance.
2. A smart resounding blow.
3. To divide into shares; as, to whack the spoils of a robbery; - often with up.
4. To strike anything with a smart blow.
5. To strike; to beat; to give a heavy or resounding blow to; to thrash; to make with whacks.
biff, swat, spank, slog, blame, punch, pop, rap music, belt ammunition, smash, box, blow, whop, bop, conk, belt, strike, swath, bust, sock, buffet, roast, clip, hit, wallop, attack, paste, whap, knocking, belted ammunition, whang, cuff, wham, catch, bash, bonk, smite, hip-hop, pat, clout, spat, slug
snap (part of speech: noun)
- Then the other blackfellow bent his head, and Jimmie took the club and returned the whack with interest. - "Over the Sliprails", Henry Lawson.
- I say, Thompson, did you see how he stuck on letting you have a whack at it? - "The Desire of the Moth; and The Come On", Eugene Manlove Rhodes.
- If you hate the trains so much, and your automobile is out of whack, why don't you try volplaning down from the Metropolitan tower? - "The Hollow of Her Hand", George Barr McCutcheon.