Lu the ruler around these seas
Westside Poseidon,

from Lupe Fiasco (Ft. Gemini) – Dumb it Down Lyrics on Rap Genius

Meaning

Just as Poseidon is the king of the seas, Lupe is the king of Chicago’s Westside. Seas/C’s (for Chicago) may be a double entendre.

Recall the earlier reference to Pegasus —– Poseidon is Pegasus’s father (he sired him in his role as horse-god…don’t ask).

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