Easily the most popular of all exotic wagers in sports betting, a parlay (or “combo”) is a collection of 2 or more sides or totals that you place a wager on and all of them must win in order for you to cash in. “I bought a new propane grill, and combined with my shopping skills I parlayed that into a great family cookout.”Īt the casino or on a sports book, to parlay means something similar. You may have heard the term “parlay” in reference to someone combining one asset with another to achieve success.