a portmanteau formed from ignorant, ignoramus and anus

def: a low-IQ person who is both an ignoramus and a pompous {narcissistic} asshole; see Donald Trump

syn: assclown
example pf usage: "Donald Trump is the King of the Ignoranuses!"
by Eppypotamus June 18, 2019
A person who is not only ignorant, but is also an asshole.
by Anonymous March 20, 2003
A sophisticated way of saying dumbass. the sophistication emphasizes that the person or thing being referred to is also pompous.
"Your boss is so stupid!"
"Yeah, What an ignoranus"
by John Diss April 11, 2007
A person who's both stupid and an asshole.
He's a huge ignoranus.
by Oracle99 April 18, 2003
a person who's both stupid and an asshole
one of the winners in the Washington Post's Style Invitational - words altered by adding, subtracting, or changing only one letter and supplying a new definition
by dp March 17, 2004
Someone who is ignorant because he has his head stuck up his ass.
George is such an ignoranus - he doesn't know what is going on around him because all he thinks about is himself.
by Research_Joe October 1, 2013
a person who is both stupid and an asshole....
my highschool vice principal was an ignoranus
by seregil November 3, 2004