Snivellus means: This is a very dangerous disease that causes hair to become greasy every day. Infected people don’t wash their hair and have a hatred of shampoo. (in Community Dictionary, added by Marc Miles)
What else does Snivellus mean?
- His childhood foes The Marauders James Potter and Remus Lupin gave Severus Snape the nickname “Potions Master of Hogwarts”, which he used to refer to him as. (in Community Dictionary, added by Esiquio Molina)