Watch: Simmons caps Spurs' rout with posterizing dunk

This is the most "zero chill" slam dunk you may ever see.

With the Golden State Warriors seconds away from ending their thorough dissection at the hands of the San Antonio Spurs, Jonathon Simmons decided to deliver one final blow to his team's rivals by throwing down a facial dunk over 7-foot center JaVale McGee.

Simmons ended the night with 20 points on 9-of-13 shooting, as San Antonio dominated the reigning Western Conference champs in a 129-100 beatdown at Oracle Arena.

That dunk by Simmons, though ...