The act of being corrected or informed on matters of trivial, obscure, or highly intelligent subjects.
Though most often unsolicited, the "sheldoner" believes they are being helpful.
Named after Big Bang Theory character Sheldon Cooper
I said almonds are the best nuts and got Sheldon'd by Dave for 30 minutes.
A tiny dinosaur that likes to pretend he is a turtle. His shell is really an acorn. He has his own comics and is usually wondering why humans do something like eating lots of noodles when he can only eat one because he's so tiny.