Alternate angle shows that, after the buzzer sounded, Devin Booker walked over to the Clippers bench to taunt/gloat. The shove by Cousins followed shortly after:

Post Game Thread The Los Angeles Clippers 1-0 defeat the Los Angeles Lakers 0-2 103-97

DeMarcus Cousins baffles Poor-Zingis with a post up and spin move

THT gets a monster block on Devin Booker, which leads to an and-1 by Caruso

At the buzzer Kyle delivered