I pick the gun up
Niggas back up; they know I'm not no fronter
I don't talk shit, I just flip it Un ya

from Memphis Bleek (Ft. Jay Z) – Dear Summer Lyrics on Rap Genius

Meaning

Jay-Z is not just bark; he also bites. He’ll “flip it on you,” or retaliate. He pronounces “on” “Un” to add credibility to his threat by alluding to the incident in which he stabbed Lance “Un” Rivera

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