Fuck hoes out of wedlock
Make her bed rock

from J. Cole – Ain't That Some Shit (Interlude) Lyrics on Rap Genius

Meaning

He’s not married legally, but he is practicing a married men’s life, living together with his girls, ROCKING HIS BED every day. He just doesn’t have this:

The last part, bed rock, continues the “hard” theme going through the song, as it is a very hard type of rock below the surface of the Earth.

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