While engaging in sexual intercourse in the 'doggy style' position the person performing the sexual act from behind sets fire to the pubic hair of the person they are performing the sex act a upon. Typically this second person then tries to remove the first by throwing their hips in a bucking motion.
Jenny was unimpressed when Nigel gave her a flaming buck, the resultant court case is still ongoing.
by thermios July 30, 2011