1) to move certian body parts about to the music, in a crump, spontanious, random, or hectic, maner
2) to show activity, movement, or life in one's dance moves
1) "...let's get it percolatin', while you're waiting
So just dance for me..." (Mary J. Blige)
2) "Her hot percolatin' dance moves got me wantin' more bro!"