A butt that is too large to fit into most standard issue seats (usually airline, or public transit systems.)
A butt with its own zip code.
This term does not reflect on the butt owner's intelligence but it might.
A person owning one of the aforementioned butts.
(German)
Germans will nod their heads knowingly in the direction of an overweight tourist and murmur "Amerikanische Arsch" under their breaths.
by squeam August 16, 2007
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