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

by corrielovesya June 8, 2021

A foolish or stupid person
by honeybeanzz November 16, 2017

by The Sefbicer September 8, 2020

You think imma say it? Nnniiiiiiigggcompoop, im not gonna say the n word dumbass.
(Nnniiiiiiigggcompoop means Nincompoop - this is here cause urban requires the word to be used in the sentence even do i did use it just a different spelling)
(Nnniiiiiiigggcompoop means Nincompoop - this is here cause urban requires the word to be used in the sentence even do i did use it just a different spelling)
by schoolmakesmesad February 24, 2021

This little shit is a nincompoop
by Nincompoop master May 27, 2020

by Shazza Westside March 11, 2020
