off one's trolley
- bonkersWildly irrational, unhinged
- crackersCrispy flat biscuits
- barmyBritish term for crazy
- loopyMildly crazy, informal
- battyMildly eccentric or daft
nutty · unhinged · deranged · mad · crazy · bananas · potty · mental · cuckoo · screwy · touched · unglued · wacky · dotty · gaga · loco · bats · fruitcake
mental stability
off one's trolleysane
Mentally healthy, clearheaded
of sound mind · in one's right mind · rational · level-headed · well-balanced