Definition: The term "handkerchiefful" is a slang term used to describe someone who frequently uses a small, white cloth or other fabric as a cover for their face while they are eating. It is often used in conversations where there is an abundance of food on the table and it's difficult to keep track of everything. The term can also be used to describe someone who has a habit of constantly wiping their hands after using the toilet, which may lead to them accidentally touching other people or things