A sexual act in which neither partner may wash their pubic hair (the shrub), for at least one month. then the involved parties must lick their respective partners "shrub". in the final act of taming the shrub each partner must pluck out his or her lovers unwashed pubic hair with a pair of tweezers that they use regularly. extremely pleasureful if done right.
after they taming of the shrub together , they had no problem getting knocked up even thought the woman was 80.