The be extremely high on stimulants such as cocaine, amphetamines, or MDMA. To the point of engaging in noticeably stereotypic behavior.
Ryan was so gacked out on Molly all he did for the DJ’s entire set was rub his sweaty chest and shuffle around with his mouth hanging open.
by Dr Raoul D May 01, 2018
A person who is high on drugs and don't even know what they are doing or who they are. Totally gone, wacked out. They are gacked out.
by Mthuckleberry April 04, 2019
I was nekkid gacked out and shootin' at the cops.
I acquired all this copper wire when I were gacked out!
That bitch is gacked the fuck out!
I acquired all this copper wire when I were gacked out!
That bitch is gacked the fuck out!
by rusty squeezebox June 14, 2008
by LegionAK March 17, 2020