SPORTS BETTING RESOURCES AND TERMSĪdded Game: A matchup that is not part of the daily betting rotation. Our Sports Betting 101 Glossary provides a quick and simple definition of often-used terms that you may read on or hear at your local sportsbook.Ĭheck out our selection of betting terms and their meaning below. Like many other industries, the sports betting world has its own jargon and many terms, lingo can be confusing.