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
1 more definition
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