tbf this uses a lot of medical jargon that most people who aren't doctors will never need. put simply, it's a case of a man who put hydrofluoric acid in his ass (owie) while high from snorting cocaine
edit: wrong acid, it's actually way worse than i thought
wait that says hydrofluoric acid that seems way worse???
i think my brain just kinda autocorrected it to HCl because it scares me to think that there's someone out there who a) has access to HF and b) is dumb enough to put it in their ass