Otherwise known as a "sloppy burpie." It's a modified version of the Crossfit exercise the "Burpie." This happens when your body reaches exhaustion during a Crossfit WOD and causes your Burpie form to lack.
"Dude, I was so tired during yesterday's WOD that my Burpies started looking like Slurpies."
by Bartles June 06, 2013