Flicking

If you just crouch a little, her crotch can just be seen flicking in and out of sight.

If you just crouch a little, the signal flag can just be seen flicking in and out of sight.

The giraffe was flicking its tail.

Tom sat on the sofa flicking through a magazine.

The candles were flicking around.

The kid is flicking through a picture book.

No, sir, I'm not flicking you off, sir, I'm just raising my finger, sir.

Then he walks out and plays a fifteen-minute encore doing nothing but bumps and grinds and humps and tongue flickings.