numbskull 

a foolish or stupid person; an idiot.

someone with a numb skull, i.e. someone who feels no pain when you whack them repeatedly upside the head.

What a numbskull! Come 'ere, numbskull, i'm gonna smack you again.

numbskull by wan_sok July 31, 2004

numbskullery 

Stupid acts. Used by Mr. Burns in The Simpsons

Mr. Burns: "I can't take much more of your blundering numbskullery"

numbskullery by Joe R. April 4, 2006

Numbuget

A foolish person

You are being a numbuget John!

Numbuget by Numbuget4life December 24, 2022

Numbuh 

A good looking person with a lot of talent and no suspicious habits

Yo have you seen this guy? He really out here being a numbuh!

Numbuh by KalamazooWoohoo February 24, 2019

Numbknuckle 

Describes a person who is both numbskull and knucklehead

Joe: Man, that Bill is a total idiot
Mike: yeah, Bill is a first class numbknuckle!

Numbknuckle by Tiltied August 9, 2020

numbskie

silly goose word derived from numb skull , ie ending

youre such a numbskie

numbskie by philly April 5, 2005

numbum 

Sitting in a car for too long making ur arse numb

ive been driving for 29hours and i have a numbum

numbum by Ben April 13, 2005