A nouveau-riche term used to describe American imperialism from sea to shining sea, or simply put, Whitman's way of telling it like it is.
"Yankeedoodledom is going ahead with the resistless energy of a sixty-five-hundred-thousand-horsepower steam engine! It is carrying before it South and West, and may one day put the Canadas and RussianAmerica in its fob pocket! Whether it does these things in a conventionally “genteel” style or not, isn’t the thing: but that it will tenderly regard human life, property and rights, whatever step it takes, there is no doubt.”
Professional sporting term used to describe a team that once held a significant lead on an opponent in a game or series, only to lose in dramatic fashion; Synonym of 'choked' ; Also see: MLB's 2004 American League Championship Series
Steve: I can't believe the Seahawks won, they were losing by 14 points with 5 minutes to go! Joe: I know... Packer's really Yankeed that game!
1) Diarrhea of the mouth caused by a high level of arrogance from overexposure to pinstripes.
At the present time, there is no cure for Yankeeolia. Symptoms include rampant bragging, loss of reality and constant reference to past events which have no barring on the present. It is advised that contact be avoided with an individual infected with this disease as it is very contagious and can cause brain damage. Yankeeolia can effect any man, woman and child. It luckily has not been detected in domestic animals
2) An abnormally high level of arrogance associated with exposure to pinstripes that often leads to rash behavior, diarrhea of the mouth and an inability to consume alcohol safely after the 7th inning
At the Subway Series game yesterday at Citi Field, a Yankee fan with a major case of Yankeeolia picked a fight with about 7 Mets fans.