Definition of Ninnyhammer:
natural, yahoo, lamebrain, dummy, schlub, booby, blockhead, doofus, knucklehead, cuddy, loon, git, oaf, woodenhead, birdbrain, stupe, dolt, ratbag, dodo, nimrod, ignoramus, clodpoll, dunderhead, goon, dim bulb, goose, dip, lump, nutcase, dipstick, cluck, donkey, chucklehead, half-wit, clot, pinhead, lunatic, dullard, stupid, stock, ninny, gander, deadhead, loggerhead, dork, dummkopf, dimwit, ding-dong, fathead, mooncalf, berk, dumbhead, hardhead, jackass, lunkhead, saphead, nut, ding-a-ling, mome, featherhead, hammerhead, know-nothing, prat, charlie, clunk, noddy, mutt, dum-dum, schnook, meathead, cuckoo, mug, nitwit, golem, nit, goof, numskull, chowderhead, cretin, dingbat, dumbbell, yo-yo, dope, simpleton, bubblehead, moron, noodle, bonehead, thickhead, turkey, airhead, simp, nincompoop, imbecile, dunce.
If, on the other hand, they consider myself an inexperienced Oriental ninnyhammer of a fellow, who has been entrapped into an engagement by an ambitious, artful young woman- why, that may incline them to inflict a merely nominal penalty.- "Baboo Jabberjee, B.A.", F. Anstey.
Before I knew you were the abject ninnyhammer that you have just told me you are I had a good opinion of you, and thought that you were cut out to make a first- class traveller and explorer- the sort of a fellow who could lead a surveying expedition through the wilderness, or work up new countries and find out what they are made of and what's in them.- "The Associate Hermits", Frank R. Stockton.
- "The Grammar of English Grammars", Goold Brown.