I got girlies half naked, that shit look like the grotto

from Big Sean – Dance (A$$) Lyrics on Rap Genius

Meaning

Inspired by Mr. Hefner..

Naturally occurring grotto are rock formations around a water source. Ancient Greeks believed a Nymph guarded the water source — female, immortally young and beautiful and unrestrained sexually, no strings attached. This is where we derive the term Nymphomania.

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