DOTTY
dotty
Adjective
- Having many dots.
- I'm all for cheetahs, but why must they be so dotty?
- Mildly insane or excessively preoccupied; often, senile.
- My nan has got dottier and dottier since she's got to the age of eighty.
The above text is a snippet from Wiktionary: dotty
and as such is available under the Creative Commons Attribution/Share-Alike License.