Definition of meshuga in English:

meshuga

(also meshugga, meshugah)

Pronunciation /məˈSHo͝oɡə/ /məˈʃʊɡə/

adjective

informal North American
  • (of a person) crazy; idiotic.

    • ‘either a miracle is taking place, or we're all meshuga’
    • ‘Goaded a bit, the executive responds with an almost hysterical edge: ‘Are you meshuga?’’
    • ‘That town was heavily doused in radioactivity from the nearby atomic tests; perhaps that explains this meshuga project.’
    • ‘It might seem meshuga to stage a beloved musical in a language that most of the audience won't understand.’
    • ‘The country is enjoying the kind of Hollywood success that could be described as a little meshuga.’
    severely mentally ill, mentally ill, insane, mad, certifiable, deranged, demented, of unsound mind, out of one's mind, not in one's right mind, not together, crazed, maniac, maniacal, lunatic, unbalanced, unhinged, unstable, disturbed, distracted, stark mad, manic, frenzied, raving, distraught, frantic, hysterical, delirious, mad as a hatter, mad as a March hare

Origin

Late 19th century from Yiddish meshuge, from Hebrew.