You are not deep, you made your bed now sleep
You may call your group Mobb Deep, but you are in fact not “deep” at all — i.e. you do not have many people behind you in the streets. In addition, he is mocking Nas' image as a “deep” or “conscious” rapper — something he would do to even greater effect on his song “The Blueprint 2”:
‘Cause a nigga wear a kufi, it don’t mean that he bright
'Cause you don’t understand him, it don’t mean that he nice
It just means you don’t understand all the bullshit that he write
Sleep here is a metaphor for death, which is somewhat derivative of Nas’s classic line on “New York State of Mind”
I never sleep, cause sleep is the cousin of death.
Jay is killing Nas’s career and Nas brought it on himself by coming after him.
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