I beat it like Ringo
My phone, it rings though
And I'm like "Bingo!"
That's when I hit it with Dominican juno

from Heems – Cowabunga Gnarly Lyrics on Rap Genius

Meaning

Heems is “beating it” coughmasturbatingcough like Ringo Starr, drummer for the Beatles (or the “Beat"les), but soon receives a call from "a Dominican Juno” asking him to come over, and decides to stop pleasuring himself and go see her instead

Writer Junot Diaz, mentioned in a later line, is also Dominican

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