grand slam [ɡɹɛəːnd slɛəːm] noun5 •The bid and winning of all the tricks during the play of one hand. •The winning of all available, major or specified events in a given year or sports season. •The situation in which a racer starts from pole position, then wins first place while leading during the entire race, while also recording the fastest lap of the race. •The hitting of a home run with the bases loaded. •The situation in which the jammer laps the opposing team's jammer, scoring five points. formsgrand slams
