Up and down :)
Up Down, Up Down
Again and again and again
Up and Down
Flexing up and down
Up, down, up, down...
Pierced cowgirl up and down, up and down...
up and down
Up and down
Up-and-down
Up and down. Up and down.
Up and down
Shy, then not, then shy again
Up and down
Up And Down
Up and down
Down and up
Up and down
Up and Down
up and down