go into a tailspin

go into a tailspin idiom
Lose emotional control, collapse, panic. For example, If she fails the bar exam again, she's sure to go into a tailspin. This expression alludes to the downward movement of an airplane out of control, in which the tail describes a spiral. [Early 1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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