NBA Girl Making A Slam Dunk

The phrase "slam dunk" has since entered popular usage, meaning a "sure thing" – an action with a guaranteed outcome.
Notable dunks
Olympic Gold Medalist Bob Kurland was a 7-foot center and the first player to regularly dunk during games in the 1940's and 50's. Wilt Chamberlain was known to have dunked on an experimental 12-foot basket set up by Phog Allen at the University of Kansas in the 1950s. Michael Wilson, a former Harlem Globetrotter and University of Memphis basketball player, matched this feat on April 1, 2000 albeit with an alley-oop. Dwight Howard dunked on an 12ft basket in the 2009 NBA dunk contest also off an ally-oop.