Duck Race

a duck race is the practice of nailing a really fat chick from behind, but as a sport, placing a rubber duck on the crest of the ass fat, and with vigorous pounding, manuvering the rubber duck up the backfat on the sezmic waves produced by said vigorous pounding. the participant wins when the duck reaches the base of the neckfat. the girl never wins. shes a great big fatty fat fat.