Idioms

    out of whack, Informal. out of order or alignment; not in proper condition.

Origin of whack

1710–20; orig. dial., Scots form of thwack; cf. whang2, whittle
SYNONYMS FOR whack
5 try, go, turn.
Related formswhack·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for whack off (1 of 2)

whack off


verb

(intr, adverb) slang to masturbate

British Dictionary definitions for whack off (2 of 2)

whack

/ (wæk) /

verb (tr)

noun

interjection

an exclamation imitating the noise of a sharp resounding blow
Derived Formswhacker, noun

Word Origin for whack

C18: perhaps a variant of thwack, ultimately of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for whack off

whack


v.

"to strike sharply," 1719, probably of imitative origin. The noun is from 1737. The word in out of whack (1885) is perhaps the slang meaning "share, just portion" (1785), which may be from the notion of the blow that divides, or the rap of the auctioneer's hammer.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with whack off (1 of 2)

whack off


1

Cut off, as in The cook whacked off the fish's head with one blow, or The barber whacked off more hair than I wanted him to. [Slang; first half of 1900s]

2

Masturbate, as in He went to his room and whacked off. [Vulgar slang; mid-1900s]

Idioms and Phrases with whack off (2 of 2)

whack


In addition to the idioms beginning with whack

  • whacked out
  • whack off

also see:

  • have a crack (whack) at
  • out of kilter (whack)
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.