un-deadstock

un- +‎ deadstock

un-deadstock (third-person singular simple present un-deadstocks, present participle un-deadstocking, simple past and past participle un-deadstocked)

1. (transitive, fashion slang) To override the deadstock quality of.
   • 2014 February 21, David Bazner, “Last Night's Must-See Menswear: Sneakerhead Style Tips From Kanye West and Michael B. Jordan”, in GQ‎:

     So whether you’re un-deadstocking an old pair or busting out your freshest kicks, know that the rest of your outfit is just as important.

   • 2015 August 28, Rajah Allarey, “Fat Joe Stunted on the ’Gram With Terror Squad x Air Jordan IV “Eminems””, in Complex Magazine‎:

     Last time Fat Joe made sneaker headlines, it was because his fresh out the box "DMP" Air Jordan VIs had fallen apart after getting un-deadstocked.