Yo I'm Hop, sin of my family, get it from daddy
When sippin' some alcohol, when he flips on my mammi

from Hopsin – Motherfucker Lyrics on Rap Genius

Meaning

The ‘sin’ in his name is the sin he does in life, which he gets from his father. His father would do these sins when he would drink alcohol and flip on Hop’s mom.

Also a Double Entendre

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