Word: ratchet, ratchetness

[ADSGarson O'Toole]

Urban Dictionary has 12 pages of divergent definitions for "ratchet".
The earliest ones that seem relevant to the sense used below were
dated 2005.

15 Pictures That Prove Miley Is More Ratchet Than You [Gallery]
By Emerald Pellot
http://collegecandy.com/2013/05/06/miley-cyrus-ratchet-photos/#photo=1

[Begin excerpt]
Miley Cyrus is the queen of ratchetness. In case you were wondering if
her “hood rat” style was just a performance to break away from her
Disney image, you were wrong. Miley has long been accepted by the hip
hop community, the stripper scene and the stoners club. I think the
combination of such shenanigans is the perfect formula for
ratchetness.
[End excerpt]

Wordspy has the unrelated "ratchet principle".

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