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

nincompoopish by gawrmochiii March 23, 2022

nincompooping 

The act of

1. doing nincompoopatic things.
2. being a nincompoop.
3. smelling like a nincompoop.

The nincompooping nincompoop was nincompooping around his fellow nincompoops.

nincompooping by Norne November 9, 2010

nincompoopsicle 

1. A nincompoop who puts Popsicle up his/her butt!
2. A person that tried a poop flavored Popsicle.

Bruh, Stop putting popsicles in your butt you absolute Nincompoopsicle!

nincompoopsicle by Betty Brave May 27, 2020

Nincompoopsie 

Inconvinent, stupid

Pete: you’re whole divorce situation with kanye is nincompoopsie
Kim: my butt is soooo big

Nincompoopsie by Doodoohablublu August 18, 2022

Nincompoopster 

A dumb obnoxious little dog that poops on the carpet in the middle of the night.

My little bichon frise is an adorable nincompoopster. He left me a crappy present under the Christmas tree on Christmas Eve.

Nincompoopster by Hlmrocko85 September 24, 2025