A fork of Rural Dictionary
The act of giving anal sex to a woman and inserting the largest dildo you can find into her vagina. The act of receiving a blow job from your partner while in the pile drive position, and then laying their ass out on the floor.
Dude 1: "Hey dude! I knocked out my girlfriend last night!" Dude: 2: "Really? How?" Dude 1: "Jamaican Pile Driver" Dude 2: "Nice" Dude 1: "Hey dude I JPD'd my girlfriend last night!" Dude 2: "Really, how big was it this time?" Dude 1: "I used a baseball bat this time" Dude 2: "Rad"