It originates from a Cockney rhyming slang phrase and is commonly used by bookmakers to describe this specific betting odds format. These odds represent the chance of winning at just over 3 to 1. It’s often seen in horse racing and other sports betting contexts. For every £30 bet, the bettor would win £100 if their selection is successful, plus the return of their original stake.
Burlington Bertie Example
For example, if you place a £30 bet on a horse at Burlington Bertie odds, and the horse wins, you would receive £100 in profit, plus your original £30 stake back, totaling £130.