doolally

adjective
🔊/duːˈlæli/
🔊/duːˈlæli/
[not before noun] (British English, informal)
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  1. crazy发疯;疯了
    • The poor chap's gone doolally.这可怜的家伙疯了。🔊🔊
    Topics Personal qualitiesc2
    Word Originearly 20th cent.: originally doolally tap, Indian army slang, from Deolali (the name of a town near Bombay) + Urdu tap ‘fever’.