A 32-year-old hamburger bared and touched his genitals in front of employees of the railway security service on Friday afternoon.
Previously, the man aggressively harassed several travelers at the Dammtor train station in Hamburg, as the federal police announced on Saturday.
Two DB employees intervened and pointed out his misconduct.
Hamburg - The 32-year-old was unapologetic, finally exposed himself and touched his genitals.
Alerted federal police officers found the exhibitionist's personal details on site and issued a dismissal.
Criminal proceedings were initiated against him on suspicion of insult and exhibitionist acts.
dpa