Medical Office Acronym. Standing for: Front Office Gal. A more Generic term for a woman working in the front desk, receptionist, scheduler position.
"Just go up and ask the FOG, she'll know when to schedule you."

"I love the FOG at Dr. King's office, she's always so friendly."
by eaglefille August 12, 2012
fuckable older guy
Man look at him, he might be 40 but he's still a F.O.G.
by FOGlover November 29, 2009
Creating your own Cloud to store your data in your house so that your data is in your control and not out in the Cloud.
Get your data out of the Cloud and create some Fog!
by jetsetterwantabe May 07, 2015
Acronym for "Fucking Old Guy".
That F.O.G. is so damn old he shits himself and doesn't even realize it.
by Rick Geary April 09, 2007
Fly Over Gruntsquat
best performed with pre-jizz already leaking out and someone you may or may not like is passed out on their back.

work up to pre-jizz...
Fly Over Gruntsquat 'em.
pics are always handy.
again, follow the directions
F.O.G. someone this weekend....they'll love you for it.
by geoski September 14, 2006
Dense; whether its weather or thoughts
He hit me with a fog when i got yelled at man.
by Cn Clear January 05, 2011
Def: Friend Of Girl
-Damn Spitz, you gonna rail her or what?
"Nah man I'm just gonna take her home. She's had too much to drink."
-Stop being such a F.O.G..
by silk manning April 16, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.