A bet or series of bets where the stake and winnings are cumulatively carried forward; an accumulator.
To carry forward the stake and winnings from a bet on to a subsequent wager or series of wagers.
To convert (a situation, thing, etc.) into something better.
To increase (an asset, money, etc.) by gambling or investing in a daring manner.
A bet on some aspect of a game or competition that is not the main bet of the game or the prize of the competition; proposition bet.
An investment of time, money, or resources that reinforces one's commitment to a course of action.
An investment or risk undertaken by a company that is not part of its core business.