Reverse Detroiter
The act of masturbation using the backside of one's hand, ideally bending their fingers backwards to grip the shaft.
Using your fingers bent backwards allows you to stimulate the shaft through a faux ribbing sensation from your knuckles.
Using your fingers bent backwards allows you to stimulate the shaft through a faux ribbing sensation from your knuckles.
"Hey dude! I just got really bored and decided to break my hand in order to try out the Reverse Detroiter. I came bucket loads!!"