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1.
nfg
military: No Fucking Good
this equipment is nfg.
by Anonymous April 24, 2003
 
2.
NFG
No Fucks Given
Vince: Hey man you gonna write that essay?

Jake: NFG
by Beardy McGee September 15, 2010
 
3.
Acronym for no fucking good. Commonly used in the oil industry when a peice of equipment is no longer in good working order.
Hey, make sure you write N.F.G on those old pumps to make sure they don't get put back in service.
by Benny Boots March 04, 2006
 
4.
NFG
Stands for: No Fucks Given. This is a type of mood or feeling, such as being care-free, easy-going, not caring what people think of you or your actions. Also meaning " no fucks where given today" kind of tone but shorter and quicker to say. Similar to saying YOLO, but better and non-mainstream.
Me: I'm gonna wear socks with sandles. NFG!
Person: NFG?
ME: No fucks given kid.
by C*Club Sshmeven August 09, 2012
 
5.
NFG
No Fucks Given.
Used when you are done with someone or something and fed up and don't want to deal with it anymore.
Basically when you don't give a fuck.
Guy#1: Dude I heard your ex is saying so much shit about you bro!
Guy#2: NFG man, bicthes gonna hate.

"totally failed my math test, NFG though everyone failed that shit"

"I should be studying right now, NFG I'm gonna go party anyway"
by EG&AgentBatata May 18, 2013
 
6.
nfg
Abbreviation for the band New Found Glory
have you heard new found glory's (nfg) self-titled album yet? classic!
by asdhnjgfkgedfjasdf August 23, 2013
 
7.
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