FK

Fat Kids. Hardcore Gang based in Las Vegas, Nevada. They have been known to mark there terroritory with graffiti and are very violent. They are seen wearing Black Bandannas out the back left pocket.

FK is a Hardcore Gang is Las Vegas.

by Iquestion January 23, 2011

FK

Abbreviation of Fuck Knows

When is it going to stop raining?

FK

by xTerminator March 20, 2012

fks

A more recent addition to the numerous abreviations to the English language used in AIM / MSN / online gaming speak (or 1337 as it has been dubbed).

Stands for 'fuck knows'.

fks how he made that shot, must be a hax0r

by daveeee July 12, 2004

FKS

"Fucking Kiddie Site" ...used to describe any website oriented toward kids. More specifically, any site with content directed toward people deemed younger or less mature than the person calling it "FKS".

That FKS is full of noobs and stupid kid stuff.

by Uhhh-Clem November 30, 2006

FKS

Fat Kid Syndrome- of or relating to the continual need or burning desire to indulge and gorge oneself in a multitude of delectable, ingestible items, which if not treated or satiated stat could result in any number of: seizure, spasm, angina, kidney failure, irritable bowel, migraine, nausea, sever mood swings, manic episodes, mutilation, cannibalism, pillaging, raping, racism, retardation or even death

Dara and Julia's FKS is acting up they might eat a small country if we do not get them food ASAP.

by Dara and Julia October 19, 2004

FK

FK means French Kiss in short

Custo: trid FK pol?
(do u want an FK pol?)
Pol: int pufta anzjan mur xuttja l em bil kontra a pes pufta anzjan u l FK mur tija l misssssssssssssirek duk il pufta l ihor a pufta l int
(polish reply..)

by Karist April 3, 2008

FK

Flag Keeper. The title used for the student of the Faculty of Environment at UW. The FK is responsible for taking care of the es flag and keeping the memory of ES alive within the ENV Crew.

I'm not the flag bearer, anyone can carry the flag... I just keep it. I'm the FK

by yeeaaaaahhhhhhh December 13, 2010