"War" Cotto!
"War" Margarito!
"War" whoever is flavor of the week!
Childish use of this word like something an overweight nerd teenager made up for boxing forums with the help of playing one too many Everquest games...or worse, watching MMA/UFC.
You could even form sentences.
"That overrated bum was exposed by a weight-drained, shot journeyman"
"Go suck gayweather's balls, flomo! you don't know shi+ about boxing!"
"You, sir, are a pactard"