the superfluous addition of a suffix to a word, usually adding a suffix to make a word a certain part of speech even though that word is already that part of speech, e.g. adding '-ulate' to 'shit' to make 'shitulate,' which has the same denotation as 'shit.'
Beth's suffixification of the word "happy" to "happitudinousness" was a bit excessive.
by atemperman April 20, 2003

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