She may have the muscles, but no, she's not cute
She's not pretty, oh what a pity, got the glass titty
Filled up with Kool-aid, just for the kiddies

from The Pharcyde – Ya Mama Lyrics on Rap Genius

Meaning

Your mom is strong but ugly — she’s missing one breast and it’s replaced with a glass one — and even though she’s hideous, she’s still nice because she fills the glass breast with everyone’s favorite flavored drink for the neighborhood children.

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