Top definition
the cord of a set of iPod earbuds going from back pocket to front pocket. it exists when the front pocket is not big enough for both iPod and earbuds.
Steve wore tight pants, and listened to an iPod.
Steve stopped listening, and tried putting the earbuds in his pocket with the iPod.
they diddn't fit.

Steve decided to put the iPod in his back pocket, and the earbuds in front,
thus forming the iChain.
by steveperson October 27, 2007
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