A large cut out line of a snortable chemical substance, usually illegal.
The gacker is characterized by the strong and immediate physical/vocal response of the individual who snorts the gacker.
The guilt one feels when coming down from a multiple day speed/meth/ghack binge. Sorrow filled hopelessness in a scattered meth mind. When you realize that you are seriously out of control and it's affecting your life and others.
"I feel like I'm going nowhere with my life". I'm so fucking up on the ghack, '! "Come on dude relax, you just got a bad case of ghackers guilt'.
Glamorous knacker drinking. Buying pints, cocktails or a bottle of wine to drink with your well to do friends while wandering around the city. This phenomenon arose in Dublin during the Great Covid Lockdown of 2020
Hey Jennifer, let's go glacker drinking this evening! Kenny's is serving take-away pints and all the lads are going on the glack.