self-injury
intentional injury to one's own body without the intention to kill oneself
blading
practice of intentionally cutting oneself to provoke bleeding in professional wrestling
self-inflicted wound
act of harming oneself where there are no underlying psychological problems
Van Gogh syndrome
polysurgical addiction
body-focused repetitive behavior disorders
mental and behaviour disorders including skin picking and hair pulling
Self-embedding
Insertion of objects into one's skin
consumption of Tide Pods
Internet meme
self-cutting
harming one's own body by cutting oneself intentionally and voluntarily