MAD(redirected from mad as a hatter)
Also found in: Dictionary, Thesaurus, Medical, Legal, Acronyms, Idioms, Encyclopedia, Wikipedia.
The ISO 4217 currency code for the Moroccan Dirham.
ISO 4217 code for the Moroccan dirham. It was introduced in 1960, replacing the Moroccan franc. It is illegal to export locally circulating dirhams.