Definition: The phrase "filthily" is a colloquialism that refers to someone who appears unclean or uncouth, often with dirtied clothes or behavior that makes them appear unpleasant and unwashed. It's commonly used in informal contexts where people might be speaking about someone being unhygienic or lacking some level of cleanliness. The phrase can also have a humorous connotation, as it is often used to describe someone who spends their time doing things that are considered disgusting or unhygien