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1 definition by Mark Robinson

 
1.
A word people with low intelligence use as they can not think of a better insult (apart from your mum of course).

Simply a grunger is someone who is themself and dosn't follow by others to make themself look 'cooler' or 'harder'
Person with IQ of about 2 - Oh look that kid has a skateboard, stupid grunger
by Mark Robinson June 18, 2004
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