Nine-Driving

When you and a sexual partner partake in the 69 position and take turns pile-driving each other repeatedly on the bed.

Guy1 : "Man my back hurts from last night."

Guy2 : "Why? What happened?"

Guy1 : "My girlfriend and I were Nine-Driving."

Guy2 : "Oh shit."

Nine-Driving

When you and a sexual partner partake in the 69 position and take turns pile-driving each other repeatedly on the bed.

Guy1 : "Man my back hurts from last night."

Guy2 : "Why? What happened?"

Guy1 : "My girlfriend and I were Nine-Driving."

Guy2 : "Oh shit."