a tasteless, classless individual (most often a female) who does vile and off color things on a frequent basis while still maintaining diva status in her own mind.
Context: In the workplace-

Girl One: "I was waxing my butthole."
Girl Two: "Damn! Didn't that burn?"
Supervisor: "Ya'll are ratchet! Get back to work!"
by WorkConductPolice February 5, 2013
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One of the most epic Transformers, he is yellow-ish and pretty much the brains of Optimus Prime's group.
Optimus Prime: Our medical officer: Ratchet.
Ratchet: The boy's pheromone levels suggest he wants to mate with the female.
by TransformersChick July 27, 2009
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A term ghetto people use to describe other ghetto people.
Ghetto girl one: I can see yo coochie hanging out your shorts, you ratchet.
Ghetto girl two: Says the girl who sucks dick for food stamps!! YOU ratchet.
by I hate Swag fags May 29, 2013
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A ghetto girl who is loud and obnoxious and constantly causing drama and usually trashy.
A ratchet girl would wear a sweat suit and talk like this: " o hell naw i know that bitch was not talking to my man I finna beat her ass, ooo she is so fake."
by real things April 10, 2012
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A word that people use to call something "ghetto" or the equivalent of "ghetto".

The irony lies in that 95% of the time, a "ghetto" person is using the word.
Person 1: She so ratchet gurl.
Person 2: Oh the irony.
by DHM February 9, 2013
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The mispronouncing of the word WRETCHED

*of poor quality; very bad
"These hoes be too ratchet-"

"Just stop! The word is wretched."
by tadalicious July 29, 2014
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Miley Cyrus is ratchet. She thinks She can "twerk" and thinks she is from "the hood".
by hyperglow2013 August 22, 2013
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