Cock tractor

The cock tractor is a means of transportation as well as a sexual prank performed between two partners.

To perform the Cock tractor, while receiving the cock, the person on top must jam their index and middle finger into the asshole of the bottom, taking them by surprise and making them thrust their hips in an upward motion.

"Me and the boys went to town with J's cock tractor"

"We were having sex and suddenly she made me into her cock tractor!"