nincompoop

noun

1. (derogatory)A foolish or silly person.

   “The Ship of Fools Fully Fraught and Richly Laden with Asses, Fools, Jack-daws, Ninnihammers, Coxcombs, Slender-wits, Shallowbrains, Paper-Skuls, Simpletons, Nickumpoops, Wiseakers, Dunces, and Blockheads. Declaring their several Natures, Manners, and Constitutions; the occasion why this Ship was built, with the places of their intended Voyage, and a lift of the Officers that bear Command therein [book title].”

   “Yes, you Nicompoop, you are a pretty Fellow to pleaſe a Woman indeed.”

   “Mous[trappa]. O you huffing Son of a Whore. / Drink[allup]. You rotten Jack in a box. / Bean[tosser]. You foul mouth'd Nickumpoop.”

   “’Tis ſuch another Nincompoop, / I ſleep, and he begins to droop. / He ſees, yet keeps his Eyes a winking, / Says nought, but pays it off with thinking.”

   “Oh, thou Dromedary, thou Founder'd Mule, without a Pack-ſaddle; or what other foul Beaſt ſhall I call thee, for Man thou art not, nor haſt not been to me, Heaven knows the time when? Art not thou aſham'd to ſee me, thou Nincompoop?”