Bouncing up and down :)
Up and down, up and down!
up down up down up
up and down
up and down
Bouncing up and down
Up and down
Up and down
Up and down
Flexing up and down
Up Down, Up Down
Up and down
Up and down, up and down
Bouncing Up And Down
Up and Down
Up and Down
Up, Down, Up, Down, Up, Down, Up...
Up and down
Up and down
Up and down