Riding on a Pony

We're riding on a pony, a pony, a pony (child on adult's lap or knees, bouncing along)
Riding on a pony, here we go. (continue bouncing)
We're riding on a pony, a pony, a pony (still bouncing)
Riding on a pony, WHOA!!!! (pull child back, or to one side or the other)
Repeat a few times...