To become explosively angry; to lose one's temper.
To begin to laugh uncontrollably.
To feel devastated, or distraught, especially when one's sadness is overwhelming.
To lose one's mind, go crazy.
To lose control of a situation.
To cease to have a skill or ability, to lose one's touch, to be washed up.
To lose one's temper.
To have a sudden burst of emotion, regardless of the type of feeling.
To break down in laughter.