Combination of (confir)med & affir(mative); possibly used in CBtrucker talk.
~Scoog, are you reading me?
-Copy that Clancy , I'm reading you loud and clear
~Did you see that Bard Owl at when Fueling up?
-I believe that was a Spotted Owl
~That's Confirmative
The natural human tendency to hold opinions that agree with one's own point-of-view as more valuable than opinions that do not. However, this can be magnified to an insane proportion in ignorant people, overly-religious people, people who have power, people who think they have power, people on a power trip, and people who hate criticism in general. This may stem from a fear of change, what one does not know, or from an OD god complex.
Most 4chan users have an off-the-wall confirmation bias.