What is the meaning of Lose_it?

To be overcome with emotion.

  1. To become explosively angry; to lose one's temper.

    To become explosively angry; to lose one's temper.

    To feel devastated, or distraught, especially when one's sadness is overwhelming.

    To begin to laugh uncontrollably.

    To lose one's mind, go crazy.

    To cease to have a skill or ability, to lose one's touch, to be washed up.

    To lose control of a situation. (Can we add an example for this sense?)

    Used other than figuratively or idiomatically: see lose, it.

    Source: wiktionary.org