what is the bad side or side effect of masturbation for man?
I tried to stick something up there by it doesn't feel as good as i thought it would help meee
No bad side effects at all. Just pleasure.
Some guys like sticking something in their urethra, apparently you are not one of them. You need to use something that is very smooth and well lubricated and sterile. It's called a "sound". Medically they are used to stretch the urethra to help urination.