Basically the opposite of motor boating. When a guy just puts his face in between a woman's boobs, and she shakes them back and forth. (alternatively slapping him in the face with her titts).
"I was too tired to motor boat her last night so I talked her into dry docking me instead, Titties!!"
by Da-Rel August 6, 2013
Get the Dry Dockingmug.