(baseball, slang, dated, late, 19th century, archaic) To prevent a team from scoring any runs.
(US, Britain, slang) In various games, to defeat (an opponent) so that they fail to score, or to reach a certain point in the game; to skunk.
(pejorative) To make over (a person or character, a group, an event, etc) so that it is or seems more white, for example by applying makeup to a person, or by covering over the participation of people of colour in an event and focusing on only white participation.