suche ein beliebiges Wort, wie cunt:
 
1.
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!
von LazyBoy 12. November 2004
 
2.
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!
von TexySurtle 3. November 2011