What is Gakk?
1.
Unidentified substance, especially located on something that should be clean and pristine.
The car was washed and waxed, but I found some remaining gakk on the hood afterword.
See
2.
A sharded crystal like substance that ma fucka's been known to smoke.Gakk
That sketchy ma fuckin' dizznan done fuct up again and got attacked by the gakk.