Dingbat is a (usually) friendly way of saying someone is being a bit of an idiot.
Mystery cake
His name rings a bell
Onward Christian soldier
A bit of this and a bit of that
the solution is dingbat dingbat its a banana.
Clerical error
If you mean quiz as in a test - Examination
It should be--- "Who called me a dingbat?" asked Edith.
Dingbat is the gum that is usually sticky after it has been chewed.
In typesetting, a dingbat is a decorative character or spacer, typically about the same size as a letter or digit.
A dingbat is someone who acts like a silly empty-headed person.