his stack of books, papers, nit-knacks, and other miscellaneous items fell in a crapalanche leaving his junk littered everywhere
"the collapse of a large collection or pile of a bunch of one's possessions (also referred to as one's "crap")
"his stack of books, papers, nit-knacks, and other miscellaneous items fell in a crapalanche leaving his junk littered everywhere" What is the definition of "crapalanche"?