s an out there question, which may or may not be met with disgust, but which adresses a possible
medical issue, so I at least ask you to put aside any judgement and look at the
medical side of the condition:
There's an (uncommon) sexual practice called urethral insertion, where a medical device none as a sound is inserted into the male urethra. The practice is safe (?) as long as the sound is perfectly rounded and sterilized prior to use.