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1.
A word or phrase of such random and/or idiosyncratic qualities that it defies logic and convention.
John: "Hey, Nelly. How's it going?"

Nelly: "Mooo..."

John: "That's such a Xuerism."
by DudermanGG October 07, 2009

Words related to Xuerism

idiosyncratic paroxysm random sudden surprise