The only thing i've seen Dez call for was the circle pit during Meet the Wretched, which isn't even a pit really since everyone is just running in a circle barely touching each other besides the occasional light push in the back.
04/01 - Mindless Self Indulgence
04/05 - Kataklysm
05/10 - Mastodon/Gojira
05/12 - Down