I know, that sounds monstrous, but I'm pretty sure it was all in good fun. I think.
Obviously the best part of the video is when his teammates congratulate Smith afterward. The second best part is that there are referees involved.
The game was for charity and hosted by NBA journeyman Earl Clark and there was an air of hijinks throughout, including one incident when the Rockets' Terrence Williams dunked on Lakers forward Derrick Caracter and then disrobed to celebrate: