lose it
Pronunciation:
verb
Definitions
To become explosively angry; to lose one's temper.
Example: When my dad found out I had failed the exams, he just lost it.
To begin to laugh uncontrollably.
Example: When the teacher's chair broke, the class completely lost it.
To lose one's mind, go crazy.
To cease to have a skill or ability, to lose one's touch, to be washed up.
Example: When you think about all she's done for the sport, it's kind of sad, but she's completely lost it over the past few years.