People judge me so hard cause I don't floss my titties out

from M.I.A. – 20 Dollar Lyrics on Rap Genius

Meaning

MIA is saying if she just used here body like most female artists out there, people wouldn’t hate on her as much. But because she takes a stand and voices her opinion, people judge her. Because she’s a good-looking woman, the sexist society we live in expects the mainstream music that a lot of other female artists put out. As a result, when M.I.A. takes a stance, people see here as a radical.

It is clear that

Sex fucking sells

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