When you whip it out and provide a redheaded individual with a golden shower.
A Golden Ginger is not to be confused with the drink made by a large coffee chain.
Dude, you know Sarah, the redheaded chick? She is such a freak. Last night I drank too much water and went to piss before sex. Sarah said "no, piss on me." So I did, and I totally gave her a Golden Ginger!