Mastodawn

Line 26 : "It looks / like / midgets done / skip rocks / all over my pendant"

The diamonds on the speaker's chain shine like skipping rocks, emphasizing wealth.

Line 20: just want my shillings / got too much ice on chill with n*ggas / how the f* you figure"

Desire for money ("shillings") and flaunting wealth ("ice"), dismissing doubters.