The complicated excitement a man feels when seeing his wife (or girlfriend) in a physical altercation with another woman. The condition is heightened when there is the real possibility for intimate sensual contact between the two combatants.
"Hey come quick, Jen had it with your wife's attitude and it looks like she has Lesley pinned down. You might want to end this."
catfight: usually used to describe two girls/women who are mucho pissed at each other, and after a few girly insults they fight, normally by scratching each other, slaps, pulling hair, and other cliched catfight methods.
note: men seem to find these catfights extremely amusing. perhaps, for the same reason that lame college guys have a thing for lesbians. the reason, exactly? we may never know.
Tori: Rea, did you really hook up with that loser Ty at Carson's party? You are such a slut!
Rea: Don't be a gossipy bitch.
Tori: What the hell did you just call me?!
Rea: A gossipy bitch. Which is what you are.
Tori: *slaps*
Rea: HELL NO!
*catfight*
Carson: Oh, dude! Chicks fighting!
Ty: Awesome!