Bellyful/ˈbelifʊl/ Definition 1 of 2Pro Tip 1/3Expressing Frustration Means having more than enough, usually of something negative. After hours of arguing, I had my bellyful of the debate. Pro Tip 2/3Metaphorical Use Not about food, but having too much of an experience or an action. A bellyful of their excuses means you're tired of them. Pro Tip 3/3Colloquial Tone Used in casual conversation, not in formal settings. She gave me a bellyful of reasons why she was late.