This is a pun on the title of Dr. Dre’s 1992 skit “Deeez Nuuuts,” which appeared on his album The Chronic and featured Snoop Dogg.

To “lose faith” is to lose religious beliefs. Atheists don’t believe in God or gods.

When The Notorious B.I.G. was shot and killed, he was married to singer-songwriter Faith Evans.

Jean has been telling this non-linear, cyclical story of a time-travelling assassin for over a decade, beginning with her 2003 song “Chapter One: Destiny,” which is a prequel to the entire tale. On her 2013 song “FUCKERY LEVEL 3000,” she revealed the obstacles facing this assassin in her everyday life as an office worker.

In a 2012 Genius interview, Grae spoke about the assassin concept:

I’ve become this assassin who, from the song, loses it and starts to have no remorse for anything. I get the opportunity to come back and say, I didn’t do it right. I wanted to be a superhero, but this is just fucking all wrong. So I get the opportunity to go back and do things again.

This is a quote from a scene in the 1990 gangster film Goodfellas, where the character Henry Hill, played by Ray Leota, describes the tenacity of Mafia extortion.

https://www.youtube.com/watch?v=3XGAmPRxV48