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same as a Tramp Stamp. A tattoo above a womans butt in the small of her back.
tattoo, tramp stamp, asscap, womans tattoo, tribal tattoo

Shes got a nice ass cap of a dragonfly.

When I do her from behind, I lke to look at her ass cap.
by Duncan MacLeod October 26, 2006
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a baseball cap that you wear almost all the time 24/7, and almost every time you wear it, it always makes you look and act like an ass.
Donald Trump has this ugly red "Make America Great Again" caps, which is basically an asscap.
by RealityTVGuide July 27, 2017
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