noun. 1) Douche-osity. 2) Douchebag-osity. 3) Douche-commercial-osity.
Real citation: "He pointedly and publically boycotted the event, handed out a two-year old Dallas Morning News editorial which vaguely outlined something “troubling” about the cleric in question and THEN, in a stunning moment of massengillosity, he utilized personal privilege in order to end the Senate session by spouting bullshit about tolerance while smugly, condescendingly reminding us all that we are lucky to be here in Amreeka, where we’re free."
(Anna, April 5, 2007, Sepia Mutiny, http://www.sepiamutiny.com/sepia/archives/004312.html)
Made-up citation: "In film school, my independent study--Milestones in Massengillosity--forever changed my directing style."