The Scouring Charm is a household charm used to clean an object. The incantation for this charm is Scourgify. Another similar spell for such a purpose is Tergeo.
The Scouring Charm was used by Nymphadora Tonks when attempting to clean Hedwig's cage during their liberation of Harry Potter from 4 Privet Drive in 1995. It can also be used on humans. James Potter used it on Severus Snape in the grounds, causing soap to fill his mouth. Many wizarding families use this spell, both for cleaning and punishing people who swear.