go into a tailspin v. phr.,
informal To fall or go down badly; collapse; give up trying.
The team went into a tailspin after their captain was hurt, and they were badly beaten. 2. informal To become very anxious, confused, or mentally sick; give up hope.
The man went into a tailspin after his wife died and he never got over it. [TahlilGaran] English Idioms Dictionary ▲