Actually no, but by speedball do you mean meth + heroin, or coke + heroin, or coke + meth? Well, doesn't really matter, because I've done all three and never died or even came close really, but I would not recommend it, and not because it doesn't feel super great, but because I feel "those" drugs in-particular are very bad for people and have highly addictive qualities. I have no urges to do any of them again tbh, however I feel psychedelics are safe, and Psilocybin has been proven to help with mental depression and other mental ailments.
tpbm once had to shit so badly, but the restroom was occupied so they dropped a deuce in their pants and waddled home.