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You’re in your own world. It’s a state of mind, you’re just vibin’.
Person 1: *Dancing with no music on*
Person 2: what is he doing

Person 3: He’s in his own fog
by Rosegarden146337 September 23, 2018
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2
simply put its short for Fuckin Old Guys
while on the bus, a whole bunch of f.o.g.s were standing at the next stop. it took twenty minutes for all three of them to get on. i was late to watch Baywatch reruns and i missed the NASCAR race

Jesus, i hate driving behind f.o.g.s when they only do 20 in a 40 zone..put your foot into it old man
by swimmerdog August 10, 2012
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4
quite simply, Friend Of Girl... a guy who simply can not seal the deal with the ladies, or one who tries to be friends first and then develop the relationship but fails in the latter.
by PurpleKnight February 24, 2008
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5
Acronym for father of the groom in a wedding.
Tradiotnally the MOG and FOG host the rehearsal dinner of a wedding.
by VMc9 October 18, 2017
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Fucking old guy. The old men who always creep on tounger women, like they actually have a chance.
"That F.O.G. keeps creepin on me"
"I just hit that F.O.G.'s Mini VAn"
by queeney November 09, 2007
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