FKC 

stands for "Fat Kid Comment". In remark to any statement that a fat kid would say.

Me: "I just ate dinner, is it weird that I'm still starving"

You: "Wow, that was a FKC".

Me: "I love free samples!!"
You: "....FKC"

Me: "I only eat the corner pieces of cake"
You: "....FKC"

FKC by 1LSauce January 7, 2013

FKC 

its a gang of hip hop dancers or something.

"hey that kids in the FKC gang, dont touch him!"

FKC by Xx_StrAWbeRRys_&_CreAM_xX February 8, 2008

FKCA 

flutes get clarnets ass
Which is true.

In your face, FKCA FKCA!

FKCA by WC marching band. November 25, 2006

AIFF UTDONT AGERE THAN FKCU 

The phrase is literally "And if you do not agree, fuck you."

Commonly expressed in online forum boards with at least 7 typos accompanied with a particular expression or point of view by a narrowminded individual.

Many variations of typos for the phrase exist considering the writer often types in rage, although one similarity between all variations is typically a liberal use of caps locks.

/HOT!
/Topic started 15. Apr 2011
Canar: Dubstep is over.
Minionofset: I do not agree.
PixieFairyNarwhalFood: JUNGLE ISJ BETTR THEN DUBSTOE, AIFF UTDONT AGERE THAN FKCU
GeorgeForeman: This isn't where I parked my car!

AIFF UTDONT AGERE THAN FKCU by Idle. October 17, 2011