The feeling you get when your IQ is dropping due to a sudden attack of 'Interwebz Derpiness'. Thankfully, your brain can recover from such going ons, though the time it has taken to rehabilitate oneself has been an estimate 2.3 days. (Though some people have been recorded to have longer recovery durations, sometimes lasting up to a week)
Under the impression of MERA you may feel the urge to do the following;
Enter anonymous chat sites, Make AMV's, Troll, and TLK LYK DIS.
Man, I watched wayyy too much Anime last night. I could definitely feel the MERA coming on when I started to pay more attention to the chat site on the right side of the page.