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Simply "Good Night" originating from 90's slang where the rule is to basically take the first letter of the word you wish to emphasize, and place it in front of "iggity." Then you would take your original word, and place it after the "iggity" you had created. It is common to see the original word dropped off once people knew what they were talking about, or it had become more "cool."
-also commonly used, but more ignored than niggity was "tiggity tight"
Evolution: niggity night

Person 1: night dude
Person 2: Niggity
by Loderunner April 17, 2005
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Mar 1 Word of the Day
One who has a mania for music.
I am a melomaniac.
by Larstait November 14, 2003
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