The crown in the Maserati grill is mingling
Maserati is a brand of luxury sports car. Their badge comprises of a crown.
There’s subtle wordplay between “raising your glass” and “mingling”. When people mingle at a party they walk around and talk to a lot of people. Pusha is the crown/kingpin mingling: he has no loyalty. He’s shining like the Maserati is and reigns above the others.
He’s also implying that his Maserati is “mingling” with other fancy cars. Which implies that he’s parked at high society events with other successful people — he’s with the high flyers now.
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