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1 definition by Bad Leroy Brown

 
1.
nfg
New Fucking Guy Came in to use during the Vietnam War. Cherries would come in-country and the old timers would not want to associate them with the NFGs. If you did associate yourself with the NFG he was likely to get his shit blown off.
Who's the NFG in Able Company.
by Bad Leroy Brown December 04, 2005