失心亦失控蚀心亦蚀骨
[shī xīn yì shī kòng shí xīn yì shí gú]
This nickname expresses the feeling of being out of control both mentally and emotionally. '失心' (shixin) refers to losing one's mind or sanity, '失控' (shikong) means losing control. '蚀心' (shixin) implies that the heart is being corroded by deep emotional pain, and '蚀骨' (shigu) suggests this pain reaches into the bones.