Common beginner problem. The natural tendency when you go air born is to face your body fowards, which will cause you to turn in the air and land on your ass. Keep your shoulder parallel to the board. A simple grab will force you keep your shoulders properly aligned.
I would agree but he said he rotates couterclockwise (goofy). If he were to do the natural reaction, he would be facing downhill with his board in
front of him which would be a clockwise rotation.
From the sounds of it, you are leaving the lip maybe with a bit of a toeside edge causing a slight spin???