Returned to school by lunchtime like, "Nigga what now?"
And today we in the club like, "Nigga what now?"
You better look down cause uhh, I know you see 'em {say what?}

from Nelly (Ft. Ciara & Jermaine Dupri) – Stepped On My J'z Lyrics on Rap Genius

Meaning

Nelly would go around and show off the new Jordan’s

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