Top Definition
An oreo with one of sides turned backwards. This generally results in the design on top of the cookie getting stamped into the creme filling on that side.

Having both of the sides turned inwards is called a magical mystery backwards oreo.
John: *takes an oreo from the package* Hey! I got a mystery backwards oreo! I wonder how these happen...
by Nommy McNomNom September 01, 2009
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