This exercise comes from Nick Tumminello, a prominent strength coach who currently works with a lot of MMA fighters down in Baltimore.
What it is: A combination swiss ball rollout and pike.
Why it is sick: I do ab wheel rollouts and bodysaw's with my clients. I do slideboard pikes with my clients. I have yet to do them at the same time. Why? I'm not as smart as Nick. This takes two fantastic all-around core exercises and turns it into a complex movement. Nothing wrong with that.
Go give it a shot!