whack

Uncertain. Originally Scottish. Probably onomatopoeic, although possibly a variant of thwack.

• IPA^(key): /wæk/
• (without the wine–whine merger) IPA^(key): /ʍæk/
• Rhymes: -æk
• Homophone: wack (accents with the wine-whine merger)

whack (plural whacks)

1. The sound of a heavy strike.
2. The strike itself.
3. The stroke itself, regardless of its successful impact.
4. (US, slang) An attempt, a chance, a turn, a go, originally an attempt to beat someone or something.

   C'mon. Take a whack at it.

   40 bucks a whack.

5. (originally Britain cant, dated) A share, a portion, especially a full share or large portion.
   • 1938, Xavier Herbert, Capricornia, New York: Appleton, Chapter VII, page 108,

     “ […] O'Cannon's a taxpayer. He pays his whack towards the upkeep of the State School up in town—”

   • 1951, Katherine Mansfield, Letters to John Middleton Murry, 1913-1922,

     For one thing I had a splendid supper when I got on board—a whack of cold, lean beef and pighells, bread, butter ad lib., tea, and plenty of good bread.

   • 2014, Anthony Pritchard, Grand Prix Ferrari (page 203)

     There were problems over the installation of the engine and the handling. The team had paid top whack for the two Coopers, but the company gave them no help at all.

6. (obsolete) A whack-up: a division of an amount into separate whacks, a divvying up.
7. (US, obsolete) A deal, an agreement.
   • 1876, Mark Twain, The Adventures of Tom Sawyer, Ch. vi, page 70:

     "I'll stay if you will."
     "Good—that's a whack."

   It's a whack!

8. (typography, computing, slang) The backslash, ⟨ \ ⟩.

   del c:\docs\readme.txt

   Delete c colon whack docs whack readme dot text.

• full whack
• have a whack at
• out of whack
• take a whack at
• top whack
• wacky
• whack up, whack-up

whack (third-person singular simple present whacks, present participle whacking, simple past and past participle whacked)

1. To hit, slap or strike.
   • G. W. Cable

     Rodsmen were whacking their way through willow brakes.

2. (slang) To kill, bump off.
3. (transitive, slang) To share or parcel out; often with up.

   to whack the spoils of a robbery

4. (sports) To beat convincingly; to thrash.
   • 2012, Ryan Pyette, Majors, Panthers play mind games, The London Free Press:

     The fidgety Majors were whacked 9-1 by the Kitchener Panthers at Couch and now trail their rivals 2-0 in an increasingly uncomfortable best-of-seven Intercounty Baseball League first-round series.

5. (Britain, usually in the negative) To surpass; to better.
   • 2012, Steve Cullen, Total Flyfisher:

     Recently I was over in Ireland, I love the place, proper fishing, can't whack it!

• See also Thesaurus:kill

whack (comparative whacker, superlative whackest)

1. Alternative form of wack (“crazy”)

   That's whack, yo!

   • 2007, Joyce E. Davis, Can't Stop The Shine, page 51:

     As they joked about the big butts on female celebrities and what rappers had the whackest lyrics, Malcolm paid little attention to Kalia besides squeezing her hand or grabbing her arm to hold himself up […]

• whack off
• whack the illy

• Oxford English Dictionary, 1st ed. "whack, n." Oxford University Press (Oxford), 1923.