Definitions by Grughar

aposteogic 

when someone vehemently argues about something that is not true, but they are determined to win an argument purely based on needing to be correct even though they probably were not listening to the debate topic before getting opinionated and involved.

"It is so frustrating when she gets so aposteogic in the middle of a casual conversation."

aposteogic by Grughar November 20, 2013