ninnyhammer

"Have you no more manners than to rail at Hocus, that has saved that clod-pated, numskull'd ninnyhammer of yours from ruin, and all his family?"—ARBUTHNOT: ib., w.

From The Grammar of English Grammars by Goold Brown

You needn't attempt to argue with me, because you are a ninnyhammer, and I am a second Nestor.

From The Rivet in Grandfather's Neck A Comedy of Limitations by James Branch Cabell

That will do, Direxia; you mean well, but you are a ninnyhammer.

From Mrs. Tree by Laura Elizabeth Howe Richards

"You ninnyhammer," said she to her son, "you should have carried it on your shoulder."

From Popular Rhymes and Nursery Tales A Sequel to the Nursery Rhymes of England by J. O. (James Orchard) Halliwell-Phillipps

I pursued the sad inquiry: 'A noodle, a pigwidgeon, a ninnyhammer, a bubble on the wave, a leaf in the wind, Madame!'

From More Trivia by Logan Pearsall Smith