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The seam down the back of a tight skirt on a woman whose ass is full of cellulite. The seam follows the line of her ass crack, thus resembling the Autobahn.
Mary may have looked good in that skirt in 1988, but today she’s sporting a Autobum.
by Carl Stawicki February 06, 2009

Words related to Autobum

ass ass crack autobahn cellulite skirt