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whack

[hwak, wak]

Origin

verb (used with object)

to strike with a smart, resounding blow or blows.

Slang. to divide into or take in shares (often followed by up): Whack the loot between us two.

verb (used without object)

to strike a smart, resounding blow or blows.

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Whack is always a great word to know.

So is hot seat. Does it mean:

a highly uncomfortable or embarrassing situation

to pick the pocket of or hassle the body of

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noun

a smart, resounding blow: a whack with his hand.

Informal. a trial or attempt: to take a whack at a job.

Slang. a portion or share.

Verb phrases

whack off,

to cut off or separate with a blow: The cook whacked off the fish's head.

Slang: Vulgar. to masturbate.

whack out, Slang. to produce quickly or, sometimes, carelessly: She whacks out a short story every week or so.

Idiom

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

Origin:
1710–20; orig. dial., Scots form of thwack; compare whang², whittle

Related forms

whack·er, noun

Synonyms
5. try, go, turn.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To whack

Collins

World English Dictionary

whack (wæk)

—vb
1.	to strike with a sharp resounding blow
2.	informal (Brit) (usually passive) to exhaust completely
3.	informal (tr; usu foll by in or on) to put something on to or into something else with force or abandon: whack on some sunscreen

—n
4.	slang (US) (tr) to murder: if you were out of line you got whacked
5.	a sharp resounding blow or the noise made by such a blow
6.	informal a share or portion
7.	informal a try or attempt (esp in the phrase have a whack at)
8.	informal out of whack out of order; unbalanced: the whole system is out of whack

—*interj*
9.	an exclamation imitating the noise of a sharp resounding blow

[C18: perhaps a variant of thwack, ultimately of imitative origin]

'whacker

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

whack

"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
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Slang Dictionary

whack definition

and wack

tv.
to strike someone or something. : Larry reached down and wacked the dog across the snout.
n.
a blow or hit (at someone or something). : She landed a nasty wack on his thigh.

Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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whack (sth) definition

tv.
to complete something easily or quickly. : If you want a pair of these, I can whack them off for you in a few minutes.
tv.
to cut or chop something off. : A tree branch is rubbing against the house. I guess I'll go out and whack that branch off.

Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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FOLDOC

Computing Dictionary

whack definition

According to arch-hacker James Gosling, to "...modify a program with no idea whatsoever how it works." (See whacker.) It is actually possible to do this in nontrivial circumstances if the change is small and well-defined and you are very good at glarking things from context. As a trivial example, it is relatively easy to change all "stderr" writes to "stdout" writes in a piece of C filter code which remains otherwise mysterious.
[Jargon File]

American Heritage

Idioms & Phrases

whack

In addition to the idioms beginning with whack, also see have a crack (whack) at; out of kilter (whack).