Officers were called Friday morning to the Exxon station on Ashford Dunwoody Road because a man was exposing himself in public.
Henry Moon, 43, with an address from Colbert, Ga. was arrested on suspicion of indecent exposure, police said.
The man was loitering at the gas station, wearing loose-fitting pants without underwear, police said. He was also without a belt or a zipper to keep his pants up - which left him exposed, police said.
Management at the gas station asked Moon to leave, but after he didn't they called the incident in to Dunwoody Police.