A slang used to represent someone of severe distaste. It's one of few references to a "cunt" that is actually worse than the original meaning. Original meaning is in reference to a derby horse that, once injured, or is too old or incapable of racing, is shot or euthanized for its inability to perform.

Only used in serious cases.
1. I just wanna take him out back and whoop the shit outta that derby cunt.
2. He did WHAT? Wow, what a derby cunt.
3. Uuuugh...I can't stand that derby cunt.
4. WTF is wrong with you, you fuckin derby cunt asshole bitch.
by Kharv July 7, 2011
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