And I don't give a fuck about my family name
This refers to the fact that he’s not the first black celebrity to be named Glover. But as he mentioned a few lines back, he doesn’t need nepotism like the Coppolas (which would make this an allusion to Nicolas Cage — aka. Nicolas Coppola; who chose his stage name precisely to avoid nepotism).
This song is Gambino rapping from a rich boy alter ego, and he’s referencing how rich kids often have little respect for their family name, even though their family is the reason they have all the fame and fortune they possess. In other words a false sense of entitlement.
This part in the script is due to “The Boy” getting mad about not being able to understand the phrase “Roscoe’s Wetsuit” wherever he goes. He asks another kid with a hat and the kid can’t explain the phrase or why he’s using it so “The Boy” slams his hand on the diner table and gets mad.
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