The term is used as an insult. If someone is being flaky you could say "Why are you being such a dingbat?"
There are several other words you can use in place of dingbat. Some of these words include stupid, eccentric, and dumb.
it is anexample of what
the solution is dingbat dingbat its a banana.
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.
To printers like BK the dingbat is simply a decorative mark.
Smoke Grendes
Dingbat is a (usually) friendly way of saying someone is being a bit of an idiot.
dingbat
It is in no doubt