The act of acting like an elitist on the internet. Associated with freezing talkpages, harrassing other people on the internet.
''Dude, you are MONGOing that guy! He can't edit his talk page on the site!''
The name given to someone who cannot seperate real life from the online. A MONGO typically harasses people, acts like an asshole, makes frivolous threats and pesters honest contributers online.
MONGOs also get very aggressive when their faults are pointed out.
''Dude, stop being an asshole. We don't need you to act like a MONGO and block the guy. He only said "hi".''