1 definition by ScrimshawSudoNiM

This is a portmanteau or blend of the words 'dunce' and 'nonce'. It means not only is the person a nonce, but they are a fucking idiot too.
Did you see that guy on twitter admit to shagging a 16 year old?

Yeah, what a donce!
by ScrimshawSudoNiM September 13, 2022
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