gacked to the gills 

Obscenely high on any substance.

My boy Tommy is always gacked to the gills on some substance or another. That fool's crazy!

gacked to the gills by Quailsareneat December 30, 2011

Gacked out 

Gone Wacked

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.

Gacked out by Mthuckleberry April 4, 2019

ganked up 

Something that is extremely messed up.

His teeth are so ganked up.

ganked up by geogirl September 26, 2008

gacked 

to be gacked is to be under the influence of methamphetemine

as in "I was so gacked last night that I took apart my vcr and cleaned it now I can't gety it back together"

gacked by jon thomas (chipper-shredder) January 25, 2005

gacked out 

To be real real real high, on meth, crack, PCP or whatever gets you fuzzy!

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!

gacked out by rusty squeezebox June 14, 2008

gangked

The act of stealing or jacking something from someone.

That thief just gangked my wallet!

gangked by Jon Who? November 8, 2007

gacked 

extremely high and lacking in cooridnation skills or natural grace. Developing temorary speech impediment or just a low volume mumble.

"Too much amphedamines and three days of sleep deprivation has got me straight gacked yo."

gacked by Heather j November 22, 2006