An insult for a person who does something really dumb.
"Look, Jeff just said something dumb. "
"He must be a Daft Dingus! "
A male aged woman who does stupid things
Look at that daft bat trying to squeeze in there- that parking space was clearly too small
A person who is simply irritating and tries to be dominating.
A: You know that gal, she's just fucking crazy.
B: Nah, she's a damned daft punk.