That was sixty leagues ago. Now, his thighs were raw poetry, his pale legs flashed like beacons under the twin suns, and he had never felt more alive.

There is a small chance that pantsavi11 is a mangled reference to something else:

" signifies being in control of a situation. A rider who needs

"The prophecy said a rider would come without trappings," she rumbled. "I thought it meant humility. Or poverty." A pause. "It meant you are very, very stupid."

The word "pants" carries various meanings that alter the phrase's intent: British Slang:

pantsavi11 isn't really telling you to ride naked from the waist down. They are asking: What unnecessary layers are you wearing in your life?