an online auction site where you can buy collectibles that were in ancient times bought at flea markets, garage sales, and thrift stores for next to nothing. Now they can be bought from any schmo in the world and shipped anywhere for lots of $$
Also used as a VERB
A: Jeepers, that Elvis ashtray you found in your grandmother's attic looks like it might be worth something, you should ebay it.
B: Ya, think? I've been ebaying a lot lately.
A: er, getta life <mrft>