Someone who is deliberately ignorant, stubborn refuses facts, and mocks others for being educated. Someone who is stupid just to be an ass.
They tried explaining the facts to him, but he was an ignoranus about it, and called them "woke libtards", and kept insisted that up was down.
by JulesL May 17, 2023
That dude at the party cleared the room when he acted like an ignoranus right in front of every one.
by Hobby Horse March 20, 2010