The junk food could indicate that you are actually feeling hungry during your dream. The junk food could also show that you feed yourself with the bad food. Your body is giving you a signal. The junk food could be used as the metaphor for people you are surrounded by or the relationships youve got yourself into. If you ate too much of the junk food, you should reconsider your life, perhaps you are sick of everything.
Dream dictionary: Junk dream meanings
If you see the junkyard in the dream, it shows that you are dealing with unpleasant circumstances in your life. If you are picking up good stuff from the junk yard, it shows that you are not enjoying your life and trying very hard to find the positivity in all of this mess. Sometimes the junk yard indicates the life you are not happy with, because of the others damage that was made to you. The junk yard could have a positive meaning either, because it shows your ability to find the goodness in the bad things and take what is the best for you.
(Ragman) In a dream, a junk dealer represents a hoax, a liar, a fortuneteller, or a superstition and fable teller. A junk dealer in a dream also represents one who sells fake jewelry.
If you dream of the junk, then such dream suggests you to throw away all of the nuisances that are happening in your life. Maybe there are some features such as anger or jealousy that must be thrown away either.
(See Junk dealer)
Symbolize our unconscious. If it is clean and organized, then it indicates that our inner world is rich and organized. If it is dirty, messy and full of useless junk, then we will find our unconscious as well. If it is well-stocked, then it represents joy and gladness.