スラムダンクFreq.FrequencyTop 50,000Meanings1nounslam dunksports›Basketball term for forcefully thrusting the ball through the hoop. Also used figuratively for an overwhelming success or easy victory.See also: ダンクシュート彼かれは試し合あいで見み事ごとなスラムダンクを決きめた。He made a spectacular slam dunk in the game.その提てい案