| 1. | Planus | ||
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The ass end of a plane. Look, Collin, you can see the planus of that 747 from the mall of america!
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| 2. | Planus | ||
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Planus (n): the small circular opening on the rear of an air plane, where the exhaust is released. The anus of the plane. Check out that planus! It looks old and overused.
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