gakk - A shiny, broken crystal-like stuff that some people smoke, a

A shiny, broken crystal-like stuff that some people smoke, and it makes you feel like you’re flying or you’re gonna explode.

I hit a gakk banger and felt like I was on fire.

My cousin smoked gakk and started talking to the ceiling.

I took a hit of gakk and thought I was in a spaceship.