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Dock Rocking: A byproduct of Docking. The act of placing the head of one's penis inside the foreskin of another penis and vigorously rocking back and forth. Docking to an overly extreme level. Ultimate form of Docking. Docking and listening to or rocking out to rock music.
Did you see how hard those guys were Dock Rocking?

Those homo's love Dock Rocking.
by Kai Harris April 26, 2011