This is the short form of the phrase "Ignorant Moron".
Also stupid, fool, dip, dunce, brainless, dense, dim, dopey, gullible, half-baked, idiot, irrelevant, out-of-it, obtuse, out-to-lunch, senseless, rash, simpleton, wingnut, thick, witless, and 'tard.
Also stupid, fool, dip, dunce, brainless, dense, dim, dopey, gullible, half-baked, idiot, irrelevant, out-of-it, obtuse, out-to-lunch, senseless, rash, simpleton, wingnut, thick, witless, and 'tard.
As in, "The guy wasn't just ignorant or a moron. He was a total IGMO!"
stupid fool retard retarded ignorant moron idiot
stupid fool retard retarded ignorant moron idiot
by ALTARedSOUL November 22, 2011
1.One who is related to the Igmonaucorous 2.a slow stupid and incredibly usless unkown dinosaur. 3.A retard.
by sancho1 November 07, 2005
by HybridcO2 December 17, 2008
IGMO refers to an ignorant motherfucker.
by cAnDiiE aNnA August 14, 2006
by Lauren November 10, 2003