A sex act in which a heavily bearded man takes said beard, and ties it to the long hair of his sex partner. He then sits atop her back, while she positions herself, face down, at the top of a flight of stairs. Just before riding her, as one rides a horse, down these stairs, he lights on fire the knot of hair bonding the two.
Chad: Gary, what happened to your bodacious beard?
Gary: Ah, the lady and I tried a flaming bobsled last night.