spot bettingˈspot ˌbetting noun [uncountable] 
a type of betting in which someone bets that a particular thing will happen during a sports game: 
There was a big scandal about spot-betting on how many no-balls there would be in a game of cricket.—spot bet noun [countable]
a type of betting in which someone bets that a particular thing will happen during a sports game: There was a big scandal about spot-betting on how many no-balls there would be in a game of cricket.—spot bet noun [countable]