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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!

Nincompoopsie 

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

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