A person who is just stupid, not in terms of how smart they are but just in terms of common sense.
Some one who just does not understand basic concepts and acts like they were born yesterday.
Daft guy is gender neutral and feel free to use it anywhere in any conversation.
"For goodness sake Peter you DAFT GUY"
An insult for a person who does something really dumb.
"Look, Jeff just said something dumb. "
"He must be a Daft Dingus! "
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.
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