The phrase "dunk contest" refers to a competition where basketball players try to showcase their jumping ability by slam dunking the ball in creative and impressive ways. Full definition
Won the Slam Dunk contest at the 2008 NBA All Star Game. (rottentomatoes.com)
Zhaire Smith is out here doing dunk contest worthy dunks during the game. (sbnation.com)
Wichita State's Cleanthony Early didn't win last night's college basketball dunk contest with this attempt (Eastern Kentucky's Marcus Lewis won). (diehardsport.com)