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