I don't think a glitch exploit, but it is called an outside system skill. It was in the beta, and if it were a glitch, it would of been removed (at least from my understanding it was in beta)

Anyway, I've recalled the characters usually calling out switch when they jump in front, so ... yeah ....

Edit:
Don't actually feel like posting right now, on the tired side of things, so I probably won't tonight
Will post tomorrow.