La définition anglaise de Wikipedia :

North American slang derived from an action in the game of basketball, in which the offensive player "dunks" over a defending player in a play that is spectacular and athletic enough to warrant reproduction in a printed poster. The term is also derisive in that when a defending player is 'posterized' — he or she is considered to have been humbled, shamed, and exposed as an inferior athlete.

La définition vidéo :

Cette action de Gerard Anderson contre Vinnie McGhee dans un match universitaire opposant les établissements californiens de Fullerton et de Northridge...