Definition from Wiktionary, the free dictionary
catfight (plural catfights)
- A fight between cats.
- The caterwauling from the catfight in the back yard was awful; I couldn't get to sleep until it was over.
- (slang) An acrimonious fighting or bickering, especially between females.
- Nancy and Sheila got into a catfight when Nancy's boyfriend cheated on her with Sheila.
- (acrimonious fight, especially between women): catty