Made a bet is an expression used to describe when someone has placed a WAGER on something, usually involving money. It is often used in the context of gambling, but can also be used to refer to any kind of bet or agreement between two parties. The term 'WAGER' is derived from the Latin word 'wagare, ' which means 'to pledge.' By making a bet, one is essentially pledging to pay out a certain amount of money if the outcome of the bet is in their favor.