Answer: goesmad

AnswerCrossword Clue
GOESMAD

Flips out

GOESMAD

Flips

GOESMAD

Loses one's mind

GOESMAD
Freaks
GOESMAD
Loses one's marbles
GOESMADLoses touch with reality
GOESMADLoses it
GOESMADCracks up
GOESMADFinally cracks
GOESMADLoses one's grip?
GOESMADLoses one's sanity