Top definition
When something that was once in style/popularity, looses its hype, and gains it back again.

past tense: re-inned

To re-in something:re-ins
Someone who re-ins something:re-inner
etc
Yea man, Christmas sweaters are Re-Inned every year during the holidays.

Dude, I swear I was the one to Re-In the raw food diet.

Re-In or Re In, both will work.
by Flys with Owl February 26, 2012
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