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

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

not quite a fruitcake

apple is a nincompoop - so almost a fruitcake

by Mandible Max September 28, 2005

nincompoop

a stupid person

Stop your nonsense talk, your nincompoop!

by xyran May 25, 2009

nincompoop

A name for an idiot, but a jokey name

Kim: How do you turn the tv on?
Sarah: like this, you nincompoop

by Depression_is_in_session June 4, 2018