1) A sexual maneuver involving three or more people. The personin the middle is said to receive on one end and give on the other.
2) This can also refer to being at the center of a "human centipede" where bulk is received on one end, repackaged, and then distributed as a new product on the other.
The act of taking a clear plastic tube about 2 feet long and inserting one end into a recipients anus and the other end into another recipients anus then taking turns pushing human wasteback and forth into each others anus.
David and Ray just bought a shiny new glass tube to play a game of cross Docking at the party tonight. They have eaten allot of corn and tacos to make sure they are ready for the fun!
DeAndre: "Im gonna go 'Cross Country Dicking'. This girl is so freaky, my guy."
Jamal: "What the fuck is 'Cross Country Dicking'?"
D: "Its where you can drive from St. Louis to Chicago to go lay some pipe on it!"
J: "Damn. Well good luck."