- Basketball. to dunk (the ball) with great force.
- Basketball. a particularly forceful, often dramatic dunk shot.
- Slang. something regarded as certain to occur or be accomplished, typically something desirable that requires little further effort: The election is starting to look like a slam dunk for our side.
Origin of slam dunk
Examples from the Web for slam-dunk
Even as a Democrat, I am rooting for the GOP to seize this slam-dunk opportunity.To Make Their Victory Durable, the GOP Must Fix the Minimum Wage
November 6, 2014
It's not entirely Meyers's fault that his first go wasn't a slam-dunk.Seth Meyers Gets Off to a Rocky Start on 'Late Night'
February 25, 2014
Traditionally blue Pennsylvania should be a slam-dunk for the president, but late polls showed a tightening race.Virginia, Ohio, Florida: What to Watch For on Election Night 2012
November 6, 2012
But not the slam-dunk with Mexican-Americans many might assume.Romney’s Safest VP Pick, Portman, Plus 9 Safeties, From Ryan to Rubio
May 28, 2012
Did anyone at the time see Jewish victory as the slam-dunk certainty that Yousef claims in retrospect?First Step to Peace: Admitting that it's Complicated
May 4, 2012
He always looks like he's about to slam-dunk your ass, and he's really into raising his voice for dramatic effect.Little Brother
- basketball a scoring shot in which a player jumps up and forces the ball down through the basket
- informal a task so easy that success in it is deemed a certainty
- basketball to jump up and force (a ball) through a basket
Idioms and Phrases with slam-dunk
A forceful, dramatic move, as in That indictment was a slam dunk if ever there was one. This expression is also often put as a verb, slam-dunk, meaning “make a forceful move against someone,” as in This is a great chance for us to slam-dunk the opposition. The idiom comes from basketball, where it refers to a dramatic shot in which the ball is thrust into the basket from above the rim. It was transferred to other activities from about 1980 on.