Gettin ghost refers to shuffling off the mortal coil; dying.
Perhaps meaning that you are going to become a ghost.
Used largely in the hip hop world.
See me strikin down the block hittin corners,
I'm hittin fences, crashin and gettin ghost.
I'm shootin senseless,
enemies is defenceless
I'm blastin at em at a rate
and they're gettin ghost.
I cant take the world anymore. I'm gettin ghost.