חפשו מילה כלשהי, כמו spook:
 
1.
nasty, horrible, disgusting
urgh, i had to open the window, cuz the car smelt gacky as fuck
מאת mikepacker88 14 באוקטובר, 2007
 
2.
something that makes you gack, often yucky
the food was gacky.
מאת Pookett 18 במאי, 2007
 
3.
a nickname for someone that does meth. from the word "gacked"
hey gacky, are you gacked ouy today?
מאת S. 22nd street 18 באוקטובר, 2006
 
4.
uncoordinated, unco, sloppy, as in when running.

also used to describe something that is gack-like, gooey, sloppy.
hey man, i suck at running. i'm so gacky.

ew that's gacky!
מאת mez05 19 בספטמבר, 2006