Black Entertainment Television network. Community » News & Media. Rate it: BET: Birla Education Trust. Community » Non-Profit Organizations. Rate it: BET: Badly Edited Television. Miscellaneous » Funnies. Rate it: BET: Bethel, Alaska USA. Regional » Airport Codes. Rate it: BET: Bacon, Egg, and Toast. Miscellaneous » Food & Nutrition. Rate it: BET: Bagels Equal Tasty. Acronym Definition; BET: Black Entertainment Television: BET: Between: BET: Basic. Bet definition is - something that is laid, staked, or pledged typically between two parties on the outcome of a contest or a contingent issue: wager —often used figuratively in such phrases as all bets are off to stress the uncertainty of an outcome. How to use bet in a sentence. Matched Bet – When a bettor uses free wagers from a sportsbook operator to increase potential profit. This is a popular technique employed in new legal US sports betting markets as promotional offers are available. Nickel – Placing a $500 wager. A “Dime” is a $1,000 wager. Novelty Bet – Placing a wager on a non-sports event with a. Slang for Fa sho, which is slang for For sure; which means Sure or Okay. (Derived slang from the 1980's.) ' All set homie.' Translation: 'Everything is set, my friend.' By CheyCity October 02, 2015.