Was it you? Your guildie? Or the random guy in your pick-up group? Whoever it was, you know a Gnoob that has done this. See Gnoob's latest hijinks in his newest video, zOMG SHINY!, over on the EQII Facebook page.
You can view all of the Gnoob videos on Facebook. Check back each week to see what other "Gnoob" mistakes this little guy makes.