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1.
GLK
A Clique formed in early January of 2009. This clique was formed by a groupe of teenagers in the Rochester, Michigan area. They roll Mob deep, and get hoes
" Wow, I wouldnt want to fuck with those group of kids, i heard the GLK is getting pretty serious"
by kevlo March 23, 2009
 
2.
GLK
The opposite of FLK. GLK means Good Looking Kid.
"I've seen her before, she is one GLK!"
by B.W.B. September 06, 2007