out of one's tree

insane kooky mad nuts nutty silly wacky

ape berserk cuckoo lunatic potty psycho screwball

barmy bats in the belfry batty bonkers cracked crazed daft delirious demented deranged dingy dippy erratic flaky flipped flipped-out freaked-out fruity idiotic mad as a March hare mad as a hatter maniacal mental moonstruck nutty as fruitcake of unsound mind out of one's mind out to lunch round the bend screw loose screwy touched unbalanced unglued unhinged unzipped

balanced calm collected rational reasonable sane sound

realistic responsible sensible

deranged hysterical mad maniacal manic psychotic unhinged

bananas bemused crackbrained daft delirious distracted distraught flipped-out foolish frenzied fruity idiotic in the ozone lunatic maniac non compos mentis nutty as a fruitcake out of one's gourd psycho psychopathic unbalanced unglued unsound whacko

OK balanced calm sane

rational reasonable sensible

around the bend bananas crazy cuckoo daffy deranged insane off one's head off one's rocker out of one's head unstable