fade, v.³ — Green’s Dictionary of Slang

fade v.³

[SE fader, a slider on the mixing board; if one pulls the fader down it gradually reduces the volume; note also fade v.¹ (2)]

(US black)

1. to ignore, to erase, to get rid of.

1992

Dr Dre ‘Bitches Ain’t Shit’ 🎵 But I and her know that they can’t fade this.

2. to shoot dead.

1995

L. Stavsky et al. A2Z.