The quality or degree of having a nutty flavor or texture. / The quality or degree of having a nutty aspect; craziness or zaniness.

plural of nuttiness

Containing nuts. / Resembling or characteristic of nuts. / (slang) Barmy, crazy, mad. / (Britain, dated) Extravagantly fashionable

(simile, colloquial) Behaving in an eccentric, foolish, or kooky manner; very nutty.

(UK) A cheap fuel consisting of slack (coal dust) and small lumps of coal (nuts); unlike other solid fuel it was not rationed during the period after World War II.

A drink of coffee made with Irish cream and hazelnut liqueur.

plural of nutty Irishman

Alternative spelling of nutty as a fruitcake