Crush depth: when you have accumulated so much stuff that it begins to interfere with living. (a) It could be clutter, meaning
stuff heaped upon
stuff with no place to put it. (
b) But it doesn't necessarily have to be "clutter." It could be the result of extrapolating the adage "the more you own the more it owns you" to its natural conclusion, stating that your
joy of acquisition has turned into to the burden of maintenance / fixing things.