Name any part of the instructions for doing the Bartman.
Any part at all.
(Note: acceptable answers will likely include at least a verb and a noun along with some sort of modifier, as in "[VERB] your [NOUN] [HOW]" or "Don't [VERB] your [NOUN] {WHERE].")
Move your body, if you've got the notion, front to back in a rock-like motion; shake your body; turn it out; front to the back, to the side; move your hips from side to side; don't slip; let your feet glide; everybody back and forth, from side to side; pick your feet up off the floor, let 'em glide; swing it, baby; jack your body in time with the music