Tailspin

[PussyCat]

a situation in which a plane turns round and round as it falls quickly towards the ground

[Monty]

An aircrafts diving descent combined with rotation.

[Michiko]

(n) Occurs when one:
a. exaggerates a situation to an extreme level and reacts to it in dramatic fashion
b. flies [off the handle] for the slightest of inconveniences caused by another person or a situation that is out of the control of any one individual
c. exhibits emotion in response to a [stimulus] that is wildly disproportionate with the level of reaction warranted by said stimulus
d. expresses particularly strong anger, frustration, and/or panic in the face of everyday life events and takes these emotions out on targeted individuals and/or random bystanders, which negatively impacts the lives of these people who subsequently come to believe that the person is [fucking insane]

[Lanell]

A [loss] of [emotional] control sometimes resulting in emotional [collapse].