- "Not now thanks, I'm pickling some slugs."
- —Sleeping Wizard.[src]
Pickled slugs is presumably and most likely a wizarding potion ingredient or possibly some type of food. It was only mentioned by the Sleeping Wizard on the Knight Bus, who had been talking in his sleep. It could be a wizarding hobby, such as making preserves.
- Harry Potter and the Prisoner of Azkaban (First mentioned)