My angel's genocide is a halo caust
from The Jealous Guys – Brainwashed By London Lyrics on Rap Genius
Meaning
Play on words: a genocide is the deliberate killing of a group of people and the holocaust was a genocide. Since he’s talking about his angel here, it’s a halo-caust (angel’s wear halos). Woah.
This is also a reference to the previous line: the most popular game series on the XBOX is the first-person shooter “Halo”.

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