Means something is not as good in real life as online, in print, or in your imagination.

(Pokes fun by blurring the line between virtual reality and real life, which has always been in 3D)
Dude 1: That's a fly honey! (picture of girl)
Dude 2: You'd be surprised, she looks worse in 3D.
by TreeWeezel June 7, 2011
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