What is a macharena?

How can you decrease the effort needed to push a weight to the top of the ramp? What happens if you get crushed by steam roller? How much does it cost to go to the roller skating rink? How much does skate light wood cost? What year did roller blades come out? Where do guys get jeans long enough to roll up the cuff? Where can you buy a single skateboard wheel? Where is the Rois Valley? What are the work conditions for a professional skateboarder? What is the controlling surface that regulates an aircraft roll? What is a 'smart' material design tech? What is a skateboarding trick with 8 letters? Alliteration for wheels? Do real men wear rollerblades? In monopoly do you roll again if you get out of jail on doubles? What does Paul Rodriguez skate for? How do you get your bearings out of your wheel on a skateboard? How do you do a Bert slide in Tony Hawk's Proving Ground THPG? Meaning of 'tilted at windmills'? How do change lens in Ryder sunglasses?