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1.
Relating to someone who has a great arse, but their underwear is too tight, creating a second arse at the top of their thighs (guilty as charged)
Front-on vision:
Guy 1: "Dude, check out the talent at 12 o'clock"
Side-on Vision:
Guy 2: "WTF?! She has double arsage. That's not cool, man.
by Lillylyd November 11, 2006