nasty, horrible, disgusting
urgh, i had to open the window, cuz the car smelt gacky as fuck
od uživatele mikepacker88 14. Říjen 2007
something that makes you gack, often yucky
the food was gacky.
od uživatele Pookett 18. Květen 2007
a nickname for someone that does meth. from the word "gacked"
hey gacky, are you gacked ouy today?
od uživatele S. 22nd street 18. Říjen 2006