mad,
dippy, stupid, silly, eccentric not right in the head or
mental. Can be either positive or
negative.
1. That
girl is so dappy, I tell you. But ya gotta love her She's got a lot of nerve 2 go out wiv a black bloke round ere!(good)
2. That
girl is so dappy. She will never see any sense, what a totally unsuitable
guy to go out with. She will pay the price for her dappiness.