When you make a trade that makes everyone else in the league say "Fucking A!" Phrase originally coined by Oakland A's
GM Billy Beane. Applicable in any major league sport, fantasy sports, or to the average fan whose team makes a stupid, or savvy, trade.
KC Royals Idiot: "I just traded Johnny Damon to the A's for two no-name minor leaguers!"
Slightly Smarter KC Royals Moron: "Fucking A!"