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1. sag-nasty
Slang for Saginaw, Michigan
Hey, I know that dude! He from Sag-Nasty!
by BigMacMan Jun 1, 2005 add a video
2. Sag-Nasty
Sag-Nasty is the nickname for the post-industrial, mid-Michigan rust-bucket town of Saginaw.

It is also an apt description of the breasts of a female rapper named Khia.
Why doesn't Khia wear a bra? Surely she knows that her boobs Sag-Nasty.
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