In the context of sports betting, the slang term "chalk" is frequently used to refer to the favorite team or player in a particular match or game. According to bookmakers and public perception, It represents the best odds of winning. Betting fans use "chalk" to refer to the team or player with the lowest risk but lower payout. Chalk was used to mark the favorite horse on the betting board in horse racing. Sports betting slang for predictability and favoritism has become widespread.