- a foolish, ignorant person. Generally shortened to NINNY. NINNY is also short for nincompoop.
More About ninnyhammerPosition in the dictionary: 2363 of 4022 slang words.
Next words in the dictionary: nip, nipcheese, nipper, nix, nix my dolly, nix!, niz-priz, nizzie, no flies, no odds
Previous words in the dictionary: ning-nang, nines, ninepence, nine shillings, nine corns, nincompoop, nimming, nilly-willy, nil, nightcap