disposaphobia 

The fear of letting go and getting rid of things.

Anthony's disposaphobia was getting so bad that the junk in his room was spilling out into the hallway.

disposaphobia by Paquito November 11, 2006

disposophobia 

DISPOSOPHOBIA is a mental issue that affects millions. Often the word hoarder is mis used by the media and writers when they really should be useing the word Disposopohobia. The Fear of Getting Rid of Stuff.

My mom suffers from Disposophobia, she can't get rid of anything.

disposophobia by Ron Alford April 28, 2007