Duncehead 

Someone who is exceptionally stupid.

"Can't belive I got rear ended yesterday. The person who hit me was a real Duncehead"

Duncehead by Cinnabonlord March 25, 2023

dunnehead 

A chump of a man usually modestly endowed with food on face

Look at that chump! What a fucking dunnehead.

dunnehead by Bossman16 February 13, 2017

Dundahead 

A male version of a chicken head. They don't know how to act, so they tend to act foolish.

Why are you talking to that boy? He's trippin, he is a dundahead.

Dundahead by Laughing Like Crazy July 25, 2010

Dunderhead

A person with no intelligence

Idiot,Plonker,Pillock,Klutz
Dunce,Numskull, Blockhead, Bonehead, Lunkhead, Hammerhead, Knucklehead,Muttonhead, Shithead,Fuckhead

''what you doing!'' ahh you dunderhead!''

Dunderhead by sweet jesus July 10, 2006

doo-doo dunderhead 

Very dimwitted

They're the dumbest of the dumb, the stupidest of the stupid. They're doo-doo dunderheads.

doo-doo dunderhead by Chinnay May 12, 2016

i_am_a_duckhead 

A funny youtuber that uses text-to-speech and is mostly known for their series "Reacting to sans fangirls" which is basically the emoticon :V reacting to 7-year-old-girls who are "in love" with the infamous Undertale character, Sans the skeleton. They have 213K subscribers on YouTube and have a subreddit based about them.

human being 1: Hey, have you seen i_am_a_duckhead 's newest video?
human being 2: Yeah, it was pretty funny.

i_am_a_duckhead by JCexists November 3, 2020

Duckhead 

A Person with an extremely high-pitched voice. Usually the most annoying person in a group

That kid on Socom is such a duckhead, His balls really need to drop!

Duckhead by Anonymous Guy22 October 5, 2006