Being so confident of a victory that one completely ignores one's competitor, allowing the competitor to ram a red-hot steel crowbar up one's ass and seeing what one can drag out.
"How did Brown win the election?"
"Because Coakley got Coakleyed."
"Dude, that chick was totally into you, how'd she go home with that other guy?"
"I figured she wanted me and was paying too much attention to the pool game, and I got totally Coakleyed."
When a candidate for public office calls herself a huge fan of the much-beloved local sports team, and then gives a radio interview where she states that a celebrated hero alumnus of the aforementioned team is a fan of the bitterly-hated rivalry team, thus costing herself countless votes from people who don't feel she's a true Masshole.
She really Coakleyed that election beyond any possible recovery when she called Curt Schilling a Yankees fan. She may be from Pittsfield, which is at the opposite end of the state from Boston, but that's no excuse . . . d'oh!
Failing in a situation when you have everything set up for you to succeed; requires an enormous amount of incompetence and stupidity. A legitimate epic fail; something that only happens to a complete moron. Refers to the 2010 Massachusetts senate race where Martha Coakley ran one of the worst campaigns and saw an almost default Democratic seat lost to a Republican.
Person 1: How did we lose to the JV team?! We're on the Varsity! We should have won by 50!
Person 2: Dude, I know. I was worried we might become an example of Going Martha Coakley.
Person 1: God, I feel like such a failure. We had everything we needed to win.