Shower masturbation in the University of Miami's male dorms has allegedly become such a problem that the school has elected to put students on notice. Either that, or someone has a sense of humor and a lot of free time.
Jerking off in the showers allegedly violates the University of Miami Housing Code, as copious amounts of semen (and presumably hair) clog the drains, resulting hundreds of dollars worth of maintenance that will be reflected in a spike in housing costs next year. It's literally in your hands, students.
For the record, masturbation is not discouraged, just masturbating in the showers. Keep it to yourself; don't make it a public problem.