Kipple is a word coined by the remarkable science fiction writer Philip K. Dick. It refers to the sinister type of rubbish which simply builds up without any human intervention. Eventually, one day, the entire world will have moved to a state of kipplization.
While the word refers to rubbish, I think it could also apply to a knitter's valued yarn stash that has a way of building up - yarn that was purchased with every good intention of making something wonderful within the next few weeks, but then ends up languishing in the stash for months, even years.
If you're looking for me....I'll be busy shopping my yarn