Angel will do that after a pp and poo outside.
Candy does that only after a poo on the pp pad. She kickes up the pad and 'covers' it up!
Kissy only kicks one leg, her left back leg when she is wanting me to play with a toy she has brought to me. She will also kick back after a pp outside but not often.
My other 2 have never kicked their back legs.

They are all so different. I think it is cute unless the poo goes flying!
I love that video of Aprillove & Nappy!! A girl always gets what she wants!