One who is very stupid - a fuckwit.

Dunce originates from when children who refused to learn or just bloody stupid and sent to the corner and wore a giant cone with a red D for dunce on it.
Timmy you fucking dunce to the corner!
by LazyBoy November 12, 2004
Get a Dunce mug for your fish Riley.
Made a stupid mistake/fucked up/made a fool of.

-Dookam101
Me: I just bought a £20 lottery scratch card and didn't win anything. I just dunced myself!
by Jogford June 09, 2017
Get a dunced mug for your cat Larisa.
The Master Race, People blessed with the name Dunc are leagues above everyone else and will rise up to rule the world, with bitches at their side (chained up i might add)
Wow the Dunc is coming!
by Anonymous August 11, 2003
Get a Dunc mug for your guy Beatrix.
An expression to someone that you think they are utterly stupid & probably wouldn't compare to a retarded lizard.
Brian you are such a dunce, GO SIT IN THE CORNER!
by TexySurtle November 03, 2011
Get a Dunce mug for your father Vivek.
The peek of the bottom society. One who is to dumb to understand simple things or is just an all-around idiot
This word can also mean you are an egotistical prick who deserves to be hung in the Third Reich
Idiot: "Hey you *insert insult for something extremely idiotic here*"

You, an intellectual: "Go away, you fucking dunce"
by An_Intellectual September 27, 2019
Get a Dunce mug for your friend Julia.
Someone who acts like an idiot
India couldn't figure out her math homework, she is a total dunce
by BobSagat1 September 27, 2017
Get a Dunce mug for your boyfriend Trump.