gkc 

short form for 'geldklammer clique' the most drippin german rap crew.

Jeffery: put that gkc shit on, bruh

Jamal: gkc? what's that bro?

Jeffery: bruh... geldklammer clique, son

Jamal: Ah LIT. gkc. It's a wave

gkc by Survival of the littest June 30, 2018

gkc 

lame ut 99 insta clan

OMG we had to play gkc and they lamed during all the match !

gkc by Nell! September 24, 2004

GKCO 

Go Knights! Charge On! An abbreviation used by the University of Central Florida in support of their students and athletics.

GKCO baby!

GKCO by 69TheWatcher69 November 26, 2019