Thoughts on Re-gifting

Did you ever watch Seinfeld? Remember the classic episode when Elaine calls Dr. Tim Whatley a "regifter" after he gives Jerry Seinfeld a label-maker that she originally had given Whatley? That popularized the term “re-gift” even though the practice had been around for a while.

Have you ever done it? I know I have! Do you think it's wrong? I think it depends on the intent. What about you?