👉 Foulsome is a phrase in the English language that refers to something or someone who has done something very wrong. It's often used as an idiom, and it can have different connotations depending on the context. In general, "foulsome" is a term used to describe someone who has done something really bad or inappropriate. It can also be used to refer to something that is causing problems or trouble for others, such as a person who has caused a lot of trouble