FSB 

Internal security service in Russia, successor to the KGB's Second Chief Directorate (internal counterintelligence).

The KGB was disbanded into the SVR and the FSB in 1991.

FSB by Dancing with Fire September 3, 2012

fsb 

Funk Soul Brother
Someone whos soul is closely connected to yours through funk.

"Right about now."
"The FSB."
"Check it out now.
"The FSB."

fsb by Camalach May 27, 2009

fsb 

russian secret service...the new kgb

fsb, dumbass, get out of the fucking car

fsb by viktor January 13, 2005

FSB 

Full Speed Baby
It's replacing YOLO as the current trendy word

Living life by a new code.. FSB

FSB by yummymuffintops September 22, 2012

fsb 

Front Side BUS

Formerly known as CPU bus speed and system bus. It is the speed at which the CPU communicates with RAM (memory).

fsb by Flamin Homer April 25, 2003

fsb 

fucking shitty bollocks. generally when things aren't going too well.

person a: everything's just fsb atm. >.<
person b: why whats up?

fsb by Beth Berry March 4, 2007

FSB 

Fuck Stupid Bitches

Kate: duuuude, jenna is starting shit again. lololol
Donna: damn, she gets on my nerves. fsb D:<

FSB by dancefuckerdance June 6, 2011