Staff or staf is an English word that can be translated into Russian as "garbage", "crap" or "junk". The band Limp Piskit has a famous song "Break stuff", where the vocalist asks him to give him something to scrap: "gimme stuff to break!"
It is customary to call the widest range of things a staf: belongings, household utensils, grub and in general all that does not yield to an exact description and in Russian is called hrenoteni.
Do not confuse the English words "stuff" (crap) and "staff" (staff).
Staff is on the list: Slang