Definition of junks:
(n) :
Miscellaneous items of little value, especially discarded or unwanted items.
(n) :
(attributive) Material or resources of poor quality or low value, especially resources that lack commercial value.
(n) :
Nonsense; gibberish.
(n) :
(slang) Any narcotic drug, especially heroin.
(n) :
(slang) The genitalia, especially of a male.
(n) :
(nautical) A Chinese sailing vessel.