One two people, preferably a male and a female are getting ready to have sex, the male (or in some cases, the pitcher) will then grab their partners ankles, one in each hand. Their partner is then instructed to make a wish. After such event, the Male (or pitcher again), pulls both ankles breaking the pelvis, and then commencing the act of mating.
WARNING: This process in very dangerous, and may leave the "Victim" without the ability to walk for several weeks.
Guy-"Close your eyes, and make a wish Bitch!"
Girl-"Umm okay, I got one"
Guy-"I hope you wished for sex!"
Girl-"Oh man, I feel for The Wishbone again"