An epithet that was once synonymous with the word bitch until the word bitch became banal with overuse; thus creating a desensitization of the word in society.
Moreover, The word bitch was also adopted by women, and the meaning of the word altered as a defense to disarm the sexist power of the word. Hence turning the word bitch into something positive.
Therefore, The meaning of the word bitch changed from its original meaning being a "useless mean ignorant worthless woman" to an altered and more positive self-empowering meaning; i.e. a "liberated strong independent woman that is very expressive, and exercises her 1st amendment rights."
As a means to vie the desensitization and self-empowerment tactics used to disarm the power of bitch, men created the word cunt in response.
The word cunt is more harsh sounding due to it's K sound at the beginning of the word that is identical to the way the first first consonant in the word kill is pronounced. Because of this, the word has a harsh sounding tone, as well as a harsh meaning. This word currently is a stronger word than bitch to denote the original meaning of bitch.
However, the most powerful context to employ this word is in a context of initial sincerity and soundness followed by a series of condemnations, and to end with a pithy summary in the form of "You're a cunt!" or just simply "Cunt."
It may be necessary to modify the word, then again it can most powerful in singular use without modifiers. Too many modifiers can shift the meaning of the word, and too many modifiers of a similiar brand such as "fucking stupid cunt" will inspire comedy instead of its intended use.
Use cunt sparingly to avoid desensitization, and use it in grave and condemning contexts to avoid a loss of meaning of the word.
That fucking cunt bit me!
Women are rude, petty, ignorant, and vain, every one of them are stupid fucking cunts.
Ted Bundy loves cunts.