When you stick your hand up somebody's ass, grab their tailbone, and lead them around the room - much like steering a sailboat. This can also be done by using a butt plug with a handle on it, but is then called a dutch tugboat.

Having someone complete the act of masturbation by pulling up and down on the forearm, while the male holds his own penis.

To grab your schwanz and have some tool grab your forearm and move it up and down, like he's steering the dick boat into orgasm harbor

When a man masturbates, and another person grabs his arm and makes him do the motion. It's sort of like a cross between masturbation and a handjob. He is still holding on, but the other person is still moving your arm.

Noun - Halfway between masturbation and a handjob. i.e. when a man has his own hand on his penis but someone else is controlling the motion.

When you have someone grab your arm and jack you off with your hand, instead of being gay.

a dutch rudder is when you put your hand on your dick and have someone else work your arm

When you have someone jack you off by grabbing your arm and moving it up and down whilst all you do is hold your peen.