Come apart 

to come apart at the seams and lose one's cool.

adjective

1. expressing and showing anger, strong resentment or frustration.

eg i was so angry that i had a total come apart

Come apart by neonbaby October 22, 2008

High speed come apart 

A major melt down, losing your cool

I thought Lisa was going to have a high speed come apart when Mark wouldn't text her back.

High speed come apart by Lo-Gee July 10, 2011