Belting/ˈbeltɪŋ/ Definition 1 of 4Pro Tip 1/3Emphasis on Quality Used to express enthusiastic approval, often for an outstanding or extraordinary effort. Her presentation was belting, everyone applauded. Pro Tip 2/3British Slang Common in the UK, might not be understood or used in the same way by English speakers from other regions. Just watched the match, it was belting! Pro Tip 3/3Unexpected Surprise Sometimes used to express a positive surprise at how well something was done. Your homemade cake is absolutely belting!