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Vitriolically lecturing others about historical, political, and/or scientific topics that you yourself do not understand.
Bob: Can we please change the channel? Rachel Maddow just keeps idioselytizing nonstop about Russia.
Joe: Won't make a difference. CNN is just idioselytizing 24/7 about Russia right now too.
Bob: Damn...
Joe: At least it's better than when they were idioselytizing about Trump's ice cream scoops.
Bob: Yeah dude, that was HELLA retarded!

Joe: Can't believe anyone watches that garbage anymore.
Bob: Me either!
by AustinFromAustin_ July 05, 2018
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