Found 2 items, similar to ninny.
English → English (WordNet) Definition: ninny ninny n : a stupid foolish person [syn: nincompoop, poop]
English → English (gcide) Definition: Ninny Ninny \Nin"ny\, n.; pl. Ninnies. [Cf. It. ninno, ninna, a baby, Sp. ni[~n]o, ni[~n]a, child, infant, It. ninna, ninna nanna, lullably, prob. fr. ni, na, as used in singing a child to sleep.] A fool; a simpleton. --Shak. [1913 Webster]