junkaholic

junk +‎ -aholic

junkaholic (plural junkaholics)

1. (informal) A person who accumulates and stores large quantities of junk.
   • 2011, Iyna Bort Caruso, Simply Organized: "The all-in-one guide to organizing your home, office, children, and more!"‎, →ISBN:

     At the extreme end of the clutter spectrum are folks who suffer from what some call disposophobia —fear of disposing. In other words, they hoard. According to one report, nearly a million junkaholics suffer from this psychological, and the proof is in the piles. To help those who suffer from disposophobia, a national support group called Clutterers Anonymous models itself after the twelve-step format of Alcoholics Anonymous.

• hoarder
• pack rat

• disposophobia