笑笑笑笑的没心没肺哭哭哭哭得撕心裂肺
[xiào xiào xiào xiào de méi xīn méi fèi kū kū kū kū dé sī xīn liè fèi]
This name vividly expresses two opposite emotional states: laughing without care and crying with great pain. It indicates that the person can switch between extremes of joy and sorrow, showing a deep and rich emotional experience.