dotty dotty /ˈdɑːti/

adjective

1. [Informal] Intensely enthusiastic about or preoccupied with  ( crazy , dotty [Informal] , gaga [Informal] , wild )
   intensely enthusiastic about or preoccupied with
    Crazy about cars and racing
   crazy about cars and racing
    They are dotty about each other
   they are dotty about each other
    Gaga over the rock group's new album
   gaga over the rock group's new album
   
2. Informal or slang terms for mentally irregular  ( around the bend , balmy , barmy , bats , batty , bonkers , buggy , cracked , crackers , daft , dotty , fruity , haywire , kookie , kooky , loco , loony , loopy , nuts , nutty , round the bend , wacky , whacky )
   informal or slang terms for mentally irregular
    It used to drive my husband balmy
   it used to drive my husband balmy