Ass ripple, also known as: ass assault, booty bounce, cheek clapping, dumper devastation, endowment engagement, fanny flapping, glutes grinding, hiney humping, impressive rear invigoration, jelly buns jam, keister kick, lump lunges, moon mashing, nether region navigation, orbit ownage, posterior pounding, quad quacking, rump ravaging, seat slamming, tush tendering, underneath usurping, velvet cushion vaulting, wobbler whomping, x-tra thick booty x-traction, yonder cheeks yelping, and zonker zipping