Someone who is both stupid and an asshole.
"Mike is such a snobby know-it-all, I wish he wasn't such an ignoranus all the time."
by 5seconds October 15, 2005
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Simply, a {Dumbass} of extravagant proportions.
Many of the definitions posted under this category have been posted, in fact, by an ignoranus.
by Terremoto September 7, 2006
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Someone who is both ignorant, and an arsehole. An unpleasant uneducated fellow. A dimwit who no-one likes. A friendless, feckless idiot.
By ending the Dock and Sprocket's pub quiz team's 100-run winning streak at the regional finals, unpopular newcomer Barrington had proven himself to be a real ignoranus.
by The Brown Piper May 30, 2007
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Somebody who is both ignorant and an arsehole.
My boss / boyfriend / girlfriend / is such an ignoranus.
by The Lady Miss Merna. May 18, 2006
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A person who's both stupid and a total asshole.
You're an ignoranus. Accept it. Asshole. Stupid. Jerk.
by [GM]Eagle July 11, 2008
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