Meaning

• Discarded or waste material; rubbish, trash.

• A collection of miscellaneous items of little value.

• Any narcotic drug, especially heroin.

• The genitalia.

• Salt beef.

• Pieces of old cable or cordage, used for making gaskets, mats, swabs, etc., and when picked to pieces, forming oakum for filling the seams of ships.

• A fragment of any solid substance; a thick piece; a chunk.

• Material or resources of a kind lacking commercial value.

  "junk fish; junk trees"

Meaning

• To throw away.

• To find something for very little money (meaning derived from the term junk shop)

  "(On Facebook, a record collector wrote:) "The newest addition to my Annette Hanshaw collection, I junked this beautiful flawless E-copy within walking distance from my house.""