You soft serve rappers just hide behind your reverb
And even without effects you'll end up dessert
Soft serve is being used here to make the rappers out to be a type of ice cream. They’re soft, hiding behind the special effects in their music because their lyrics aren’t hardcore like Danny Brown’s. Without special effects, when their lyrics are the only things talking for them, they will be revealed as dessert: the last course, something sweet (playing on the fact that they’re soft serve ice cream). Danny, on the other hand, must therefore be the savory course, the meat and potatoes compared to yesterdays (the last course being dessert) rappers.
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