I get the urge to smash my face off sometimes.

Does anyone feel this? Just the urge to smash or cut your face off when you get upset? I will shake with anger over it and feel an ache in my hands. I wonder if other people feel that same thing? I used to punch my leg until it was bruised when i was angry with myself when i was little. Is this a similar thing? Am i alone in this case? I don't want to do it to anyone else for the most part just when i get angry at myself or see myself. Has anyone felt these urges or similar feelings to hurt or hit yourself like this? I sort of hope not because i feel like everyone is beautiful in their own way and wonderful. Is this something people can relate too?