Yes, lots of men apparently do it and execute a maneuver known as the testicle-lift. Those who fail to properly execute the testicle-lift suffer from what is known as stinkball. Even worse, some undereducated females do it, which can result in a far worse condition.

There are also reports from New Orleans of individuals with super-dexterity executing both a front-to-back and back-to-front with both hands at the same time, although I think that is just witch craft talk.