What is "crackup"

Usage examples of "crackup".

Mission, Circuit Completed, Firestorm, Flashpoint, Timewarp, Crackup, Blackout!

The ship crashed, and it must have been one dilly of a crackup, since evidently things were destroyed to the point where they only rescued four books.

Did that look like the kind of a crackup that anyone could have lived through?

Too many men had been here too long and one crackup was starting to feed the next, in this blank lifeless world where humans were never meant to live.

The police radio belched out a litany of disaster: fatal crackups on the Hollywood and San Bernadino freeways.