Hyphenation
mad as a hat·terTurkish pronunciation
mäd äz ı hätırPronunciation
/ˈmad ˈaz ə ˈhatər/ /ˈmæd ˈæz ə ˈhætɜr/
Etymology
() Disputed. Possibly from Old English ātor (“poison”), and thus related to English atter. Alternatively from hat-makers suffering from Korsakoff's syndrome due to handling mercury-contaminated felt.