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

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

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.

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?)

Ratchet is a fuckin socket wrench you fuckin retards

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

1) a tool, such as a socket wrench
2) (corruption of "wretched"), derogatory hip-hop slang for an unpopular, obese, average-looking, rude, closet poly, hip-hop person, usually a welfare client with children from multiple parents, substance abuse problems and a narcissistic personality disorder, hence the multiple partners and nightclub brawling. Often wears ill-fitting leggings, torn fishnet hose and a loose, matted hair weave in a bright color. Extra income may come from multiple partners, begging and/or prostitution, due to hir poverty. Term is often hypocritically used by similar speakers. Warning! This term is a racial stereotype, sexist fat and slut-shaming speech and may provoke ethnic violence from target.
3) hip-hop slang for gun, knife, or assaulting someone. See meanings 1 and 2.
4) Science fiction video game character from "Ratchet & Clank" series
5) Science fiction robot character from "Transformers" animated series.