scatty synonyms

balmy barmy bats batty bedlam bonkers brainsick certifiable crackbrained cracked crackers crackpot cranky crazed crazy cuckoo daft demented deranged fruity gaga haywire kooky kookie loco loony looney lunatic mad maniacal maniac mental meshuga meshugge moonstruck non compos mentis nuts nutty psycho psychotic insane screwy unbalanced unhinged unsound wacko whacko wacky whacky