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1. nung nung
A term to insult a person or a thing that may seem 'retard' like. The sound that is expressed through disabled persons speech.
"OH ohhhh NUNG NUNG"
by blake Jun 23, 2003 add a video
2. nung nung
To be of poor quality
God damn that guy is NUNG NUNG
by GlorY Jul 1, 2003 add a video
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