Answer: gomad

AnswerCrossword Clue
GOMADFlip one's lid
GOMADCrack up
GOMADDo as Henry VI did
GOMADDescend into dementia
GOMADLose control in a way
GOMADLose touch with reality
GOMADEmulate Ophelia.
GOMADFlip
GOMADCome unglued
GOMADLose it
GOMADFreak
GOMADSnap
GOMADLose one's marbles
GOMAD"If I don't write to empty my mind, I ..": Byron
GOMADLose one's mind
GOMADTotally lose it
GOMADFlip out
GOMADLose your marbles