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1.
the best damn sport in the world. done in the woods or in the desert. many veriations including cross country, technical, and downhill.
i flippen love mountain biking!!!
by Roman Perry January 22, 2007
 
2.
making love to the earth through the use of a bike
mountain biking is what I do all day.
by runderhill December 25, 2010
 
3.
Mountain biking is a form of Sadomasochism akin to self-flagellation made publicly acceptable by claiming it is healthy
Mountain biking has knackered my knees but I feel so much better for it
by Doomanic November 27, 2011