adjective
(originally African-American Vernacular, slang) Annoyingly or disappointingly bad, in various senses; lousy, corny, cringy, uncool, messed up.
noun
An eccentric; an oddball; a weirdo.
(dated, 70s drug slang) PCP, phencyclidine (as also whack).
noun
(UK, Liverpool) A friendly term of address.