wack.
Annoyingly or disappointingly bad, in various senses; lousy, corny, cringy, uncool, messed up.
Meaning & usage
Annoyingly or disappointingly bad, in various senses; lousy, corny, cringy, uncool, messed up.
Every record they ever made was straight-up wack.
Where this word comes from
Etymology tree English whack Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English wackybf. English wack Back-formation from wacky. Alternatively, possibly a blend of white + black, in the sense that it may appear black on the outside, but it's really white on the inside. Compare oreo.
An eccentric; an oddball; a weirdo.
PCP, phencyclidine (as also whack).
Where this word comes from
Etymology tree English whack Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English wackybf. English wack Back-formation from wacky. Alternatively, possibly a blend of white + black, in the sense that it may appear black on the outside, but it's really white on the inside. Compare oreo.
A friendly term of address.
Where this word comes from
Clipping of wacker (“a Liverpudlian; a resident of Liverpool, England”).
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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.