Part of the second Mountain Dew “DEWmocracy: Collective Intelligence” promotion. It was released in stores on April 19 as a limited edition flavor so that people could taste it before voting. Voting ended on June 14, and it was announced that White Out had won the campaign with 44% of the votes. It became a permanent flavor and was officially for sale on October 4, 2010.
The Limited Edition White Out Freeze Slurpee flavor only available at 7-Eleven stores from 2011-Now.