whack.
The sound of a heavy strike.
Meaning & usage
The sound of a heavy strike.
The strike itself.
The stroke itself, regardless of its successful impact.
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.
A share, a portion, especially a full share or large portion.
A whack-up: a division of an amount into separate whacks, a divvying up.
A deal, an agreement.
It's a whack!
A harmful outcome or repercussion.
PCP, phencyclidine (also wack).
The backslash, ⟨ \ ⟩.
Where this word comes from
Uncertain. Originally Scottish; probably onomatopoeic, but compare Middle English thakken, from Old English þaccian (whence Modern thwack by conflation with whack). Sense 6 of the verb is likely a semantic loan from Malay hentam (“to strike; to do something carelessly”).
To hit, slap or strike.
The bat whacked the baseball.
To assassinate, bump off.
To share or parcel out (often with up).
to whack the spoils of a robbery
To beat convincingly; to thrash.
To surpass; to better.
To attempt something despite not knowing how to do it; to take on a task spontaneously and carelessly without planning.
To eat something hurriedly.
Where this word comes from
Uncertain. Originally Scottish; probably onomatopoeic, but compare Middle English thakken, from Old English þaccian (whence Modern thwack by conflation with whack). Sense 6 of the verb is likely a semantic loan from Malay hentam (“to strike; to do something carelessly”).
Alternative spelling of wack (“annoyingly or disappointingly bad”).
That's whack, yo!
Where this word comes from
Uncertain. Originally Scottish; probably onomatopoeic, but compare Middle English thakken, from Old English þaccian (whence Modern thwack by conflation with whack). Sense 6 of the verb is likely a semantic loan from Malay hentam (“to strike; to do something carelessly”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.