The tin can that you keep in your closet that works as a makeshift pocket pussy. Typically filled with a random condiment to stimulate pleasure in horny pre-teens.
Person A: I think my parents found my metal muff this morning.
Person B: That's why I leave beans in mine, they don't suspect a thing.
Person B: That's why I leave beans in mine, they don't suspect a thing.
by Mr.Diddler March 06, 2019