Definitions by S. 22nd street

gacky 

a nickname for someone that does meth. from the word "gacked"

hey gacky, are you gacked ouy today?

gacky by S. 22nd street October 20, 2006

gackaddict 

some one that does alot of meth, same as gackaholic. from the words "gacked" an "addict". to be said as a joke.

whats up you'll gacked, on one, gackaholics you damm gackaddict

gackaddict by S. 22nd street October 20, 2006