When the man on top during double vaginal sex pulls out and cums on the other man's scrotum. After using his dick to rub the cum all over the scrotum, he then re-enters the girl's pussy to cum again on the other guy's shaft. Due to the homoerotic nature of the act, it is mostly performed by bisexual men. However, straight men can perform it on occasion.
My bi friend and I once did double vaginal with a girl we picked up from the club. I was on top, so I decided to give him a slimy joystick since it was his birthday. I don't like guys, so I told him that's as far as he would get with me.
A man is sitting on a toilet taking a shit. A second man comes in and sits on his erect penis, inserting it into his anus. The man on bottom begins waggling the top's penis like a joystick while he urinates everywhere.
Homosexualsex position where a man has his partner on the edge of the bed with his legs aloft. He then "Makes love" to his partner whilst waggling his penis from side to side like a joystick - namely in the old 80's sports games fashion (Daley Thompsons on the Amstrad CPC464 for example).
He can also then uses his testicles as the buttons, if he so desires.
Russ lay on the edge of the bed holding his legs, I entered him and begun to furious waggle his todger left to right like a joystick whilst bashing his gonads with my index finger like a true 80's gamer.