Nínnyhammer. n.s. [from ninny.] A simpleton.
Another vents her passion in scurrilous terms; an old ninny-hammer, a dotard, a nincompoop, is the best language she can afford me. Addison's Guardian, № 109.
Have you no more manners than to rail at Hocus, that has saved that clod-pated, numskull'd, ninny-hammer of yours from ruin, and all his family. Arbuth. John Bull.