Dotty
WordNet
adjective
(1) Marked by foolish or unreasoning fondness
"She was crazy about him"
"Gaga over the rock group's new album"
"He was infatuated with her"
(2) Informal or slang terms for mentally irregular
"It used to drive my husband balmy"
WiktionaryText
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.