lol,what's important is you have fun.but yeah, a** shaking can be very amusing,ESPECIALLY when you knock everything down,haha.happens to me too,so i enjoy doing it on my bed (pretending to be on stage).at first i didn't really like the song,but after listening to it for a few times,ive gotten into the groove and naturally reacted by shaking my a**.it's really fun,try it.better than meditating