nincompoop

Someone really stupid, sometimes, too stupid to realize his own stupidity. The current president of the USA, Donald Trump.

The president of the US is a complete nincompoop, a delusional idiot who thinks that the world revolves around him.

by libertarian against trump February 12, 2017

nincompoop

A complete elmore, maroon or jackweed. Somebody with shit for brains. A fuck up of the highest order.

Bush elmored Katrina showing what a true nincompoop he really is.

by Mmmm Lewinsky October 9, 2007

nincumpoop

A foolish fellow; also one who never saw his wife’s ****.

Take a good look at Yoko and tell me John isn't a nincumpoop.

by Neo-Nincumpoop April 10, 2007

NINcompoop

noun Slang term for anyone who is a devoted fan of Nine Inch Nails, or NIN, usually only used by other fans.

Only a true NINcompoop would watch the band's webcam for five hours, waiting for something to happen!

by Trogdor August 9, 2004

NINCOMPOOP

A word in old english which is a classic insult a no brain a lil fucker something like that

Get up you fucking nincompoop

by corrielovesya June 8, 2021

nincompoophead

A very terrible insult, a portmanteau of nincompoop and poophead (which is itself a compound word, made from poop and head).

Jack is a nincompoophead. He is very annoying.

by &; December 27, 2021

nincompoopish

when someone is in the act of being a nincompoop

"I think it's kind of nincompoopish of him....is that even a word?...ok, well it's a word now." - Mrs. K 2022

by gawrmochiii March 23, 2022