The guy/girl in your cricket team that bats 8 or 9 and doesn't bowl. They are purely in the side because they bring good banter despite their on field form indicating they should be 2 grades lower. Their main purpose is to keep the rare unit in the 3s out of the 2s.
John has been picked in the side as the banter batter.
He is a great banter batter, scores and tells great stories.