Ding
From Openwaterpedia
noun, verb - A ding is bodily damage due to unsportsmanlike conduct of another swimmer in an open water race or due to hitting a pier, flotsam, jetty or boat. To be dinged is to get hurt, cut or injured in an open water race.
Origin
Ding means surfboard damage due to hitting something or someone with one's surfboard.
Usage
He was all dinged up after swimming in the middle of the scrum during the entire race.