You're bored but you keep eating. Maybe you're eating because you're bored. If you're bored all the time, eventually your main goal in life becomes satiation.

In modern Japanese, this word crops up most in 飽食時代, which could be roughly translated as "the age of plenty". 飽食時代 refers to the modern era in countries like Japan, which are characterized by an abundance of food, in contrast to the past, when food was scarce.