wack /ˈwæk/noun 3adjective 1forms 3phrases 1 noun3 •An eccentric; an oddball; a weirdo. •(UK) A friendly term of address.Leading Seaman Hanlon, a tough young man from the Liverpool docks, greeted him with, 'Wot's up with you, wack? Lost yer bleeding maor summat?' — 2011 •(old-fashioned) PCP, phencyclidine (as also whack). adjective1 •(slang) Annoyingly or disappointingly bad, in various senses; lousy, corny, cringy, uncool, messed up.Every record they ever made was straight-up wack. formswacks · wacker · wackest Phrases with wack wack outTo become deranged.
