Potty is a slang term that refers to a toilet, usually for children. However, there are many synonyms for the word potty that can be used to refer to a bathroom or toilet. Some of these synonyms include lavatory, restroom, loo, john, washroom, or water closet. These words can be used interchangeably to describe the same place, depending on the context. While potty is a lighthearted term, using these synonyms can be more appropriate in formal situations. Regardless, having a variety of words to describe a bathroom or toilet is useful for conveying meaning in a clear and accurate way.