A ghetto-dialect mispronunciation of the English term "wretched".

The mispronouncing of the word WRETCHED

*of poor quality; very bad

a galactic space lombax that has saved over 50 galaxies along with a robot named Clank.

1. A type of tool
2. A female "wannabe"
3. A person (usually female) who thinks she is cool, but she is not.
4. A derogatory term to describe a female who thinks she is young, thin, fashionable, or intelligent but who is not.
Origin: An ebonic vernacular term coined from the word "wretched." Origin: Made popular by rapper Lil' Boosie in his song "Ratchet" whose subject is the poor and wretched. The term has been picked up by the mainstream teenage culture.

1) A ratchet is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction. Though something of a misnomer, "ratchet" is also often used to refer to ratcheting socket wrenches, a common tool with a ratcheting handle.

2) A character in the Transformers franchise. (Seriously?)

1. A type of wrench used to crank down or unscrew nuts and bolts.

2. The word "wretched" as spelled and pronounced by the uneducated.

It's a fucking socket wrench.
The correct way to use the word "ratchet" would be, "Wow, this ratchet is so useful."