Getting one actor confused with another when seeing them in a movie or show, orginated when people saw Ian McKellan as Gandalf and insistently said "Hey, it's Dumbledore!" and were humiliated when proven wrong.
Seeing Jon Favreau and thinking it's Greg Grunberg and when proven wrong say "D'oh! I got Dumbledored"
by pricklepants July 07, 2015
A new way to say "getting it up the butt" after J.K Rolling announced that the character of Dumbledore from the Harry Potter series was gay.
Guy just getting out of prison: Dude, I'm never joy riding again. I got Dumbledored like three times a day in prision.
by aseaisee March 08, 2009