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Someone who makes confident, yet erroneous, assertions about matters of English grammar, spelling, and usage, and then refuses to back down despite all the evidence. Derived from "John of Aix", a poster on uk.misc well-known for his aixwittery, and "fuckwit".
Don't be such an Aixwit, "ungent" is not a valid spelling of "unguent".
by Mary Pegg January 13, 2006
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