Sentence:  “Ms. Jackson” is probably the most sensitive—and realistic—take on relationships to come out of hip-hop, while “Red Velvet” cautions would-be playas against pushing the <WSD>floss</WSD> envelope around “dirty boys” just waiting for a chance to add some gray flecks to that fur. 
Meaning of the word marked with <WSD> tags:  (AAVE slang)  To show off, especially by exhibiting one's wealth or talent.