Gentlemen, you have never fucked someone to the furthest possible extent until you get a shursh out of them. This applies to anal sex as well as conventional sex.
Ladies, you CAN get a shursh out of a man. It is more dificult, but possible if you have major skills in bed. I myself have had a woman cause me to shursh. You can cause a man to shursh while giving him a blowjob by jerking his cock around in you mouth, as well as in your hands. However, it is more difficult with a handjob, and the blowjob technique is much more enjoyable for both parties. If done correctly, the man will scream out in pain, only to have his scream cut short by the orgasm who is sure to follow.The only known way to make a real man shursh while in the traditional position is if you are both extremely good in bed and if you have incredible control of your vaginal muscles. Simply sqeeze his cock while it is inside you. Do this by flexing the walls of you vagina, massaging it.