What is Dock Up?
1.
The act of stretching one mans foreskin over the head of another man's penis.
Hey Paul, it's Iain, wanna come over later and Dock up? I've been stretching my foreskin all day.
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1.
1. a slang term for a navel, or bellybutton piercing. Derived from the way these piercings are often displayed with midriff baring tops ..