The word cowpie is often used to describe the excrement of cows. However, there are several synonyms that can be used to describe this material. One popular synonym is cow dung, which is another term used to describe the fecal matter of cows. Another synonym is manure, which refers to the waste materials produced by cattle and other animals. Some other common synonyms for cowpie include cow flop, cow patty, and cow chip. While these terms may seem humorous or even vulgar to some, they are commonly used in rural and agricultural settings to describe the waste products of livestock.