Yes - spatchcocking is the correct term and that's how we did the last batch on the grill:
Turned out AWESOME! We also marinaded them first; DBF did all the work so I don't know the details. He has also done chickens this way on the smoker.

Turned out AWESOME! We also marinaded them first; DBF did all the work so I don't know the details. He has also done chickens this way on the smoker.