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

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

nincompoop

Something I would call a friend if he/she should say summit stupid which is blatenly obvious!

eg.
louisa - i think i just saw a dog fly!
laura - dogs cant fly u nincompoop!

by marcush January 1, 2006

nincompoop

idiot, stupid, no brainer

"Dude, that guy is a nincompoop!"
"omg, hes so stupid, what a nincompoop."

by aylin22fertiz November 14, 2018

Nincompoop

A dumb ass nigger

Tyrone: "Boobshakapagloopadiggajopa"

Bob:" you nincompoop"

by The Sefbicer September 8, 2020