Top Definition
A "delusions of grandeur" act of acting all "holier than though" and "I'm more important that you" attitude when in a professional setting in order to mask over one's true insecurities. The "nada" meaning "nothing" or "non-existent" righteousness.
nad(a)ia-ighteousness: "Oh GAWD, I gotta do THIS and THAT, I am SOOOOOWWW BUSY, I'm so TIRED, I have SOOOOOOO much to do!"
by donbeeeyacunt March 06, 2013

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