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1. A form of amnesia common among iPod and mp3 users. "Podnesiacs" have downloaded so many songs that they can't remember what's already on their device.

2. The mental condition that propels people to purchase (download) the same song more than once.
I think Tracy has Podnesia. She just downloaded "Last Train to Clarksville" for the third time in six months.
by Peter Kobs August 19, 2009