The act of Eatin' is usually referred to during sporting events or any other competitive situation. It is commonly used as a phase to demonstrate your dominance and or superiority over another individual or team.
A simple definition for people both male, and female that feel the need to date and or copulate with close friends exes or former lovers. Aka dicks, fucks or skinflutes.
Hey did you hear chris hooked up with another one of our exes!?