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A birthday that consists of the birthday boy or girl browsing eBay rather than doing other more traditional birthday activities.
Osman: Hey man I know your birthday is coming up in a week. Are you having a party? Do you want to hang out or something? Hit me up man.

Darius: Uh, this is kind of awkward. I'm actually having an eBay birthday, so... yeah.

Osman: ...
by WhisperScreamer August 11, 2010
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