Noun
(basketball) A practice drill where a line of players improve their rebounding skills by catching a rebound in the air, tossing the ball back against the backboard before landing, and returning to the end of the line to go again.
(African-American Vernacular, derogatory) Synonym of butterface: A person with an attractive body but an ugly face.
(African-American Vernacular, derogatory) A person who is gangbanged.
Source: en.wiktionary.org