I can give you a much more specific caption if I know if it’s food, a landscape, or a workout pic . What is the Italian term for the end of a loaf? - Facebook
In many Italian-American households, the "culoo" (or culaccio ) refers to the heel or end of a loaf of bread.
"Culoo" is often used in Spanish-language fitness contexts (like the slogan or "Today is Glute Day").