Ack, no one understands this! You have to rp like a normal rp, but you have to do what the other persons actions are ABOVE you.
e.g. *Turns around facing the edge of the drop off, the cold wind brushing his fur around. he cocks his head as if listening to something, then suddenly jumps from the building top. landing on the ground with a crash, he starts to run off in the opposite direction from police sirens*