go phut

go phut (third-person singular simple present goes phut, present participle going phut, simple past went phut, past participle gone phut)

1. (informal) To fail work, especially suddenly or with a noise
   • 1926, Agatha Christie, The Murder of Roger Ackroyd:

     I shall have to speak as a medical man. Ralph's nerves must have gone phut!

• goth up