Like, "Yo, how many rhymes you got?" I think I'll go on
For more Milleniums than Mazda's got on the car lot
This is likely a reference to the Mazda Millenia, an automobile produced from 1993-2003. Canibus is saying he can rap for as many millennia (1,000 years) as there are Millenia (cars) on the lot of a Mazda dealership.
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