flotsam and jetsam
noun
°(nautical) The remains of a shipwreck still floating in water.
°(nautical) That which has been discharged from a ship or boat, especially on the ocean or a sea, (flotsam unintentionally and jetsam intentionally).
synonyms: bits and bobs, bits and pieces, dribs and drabs, odds and ends more» , odds and sods, dregs