Answer:
you can throw me away but I will always be coming back
I am a lunch money thief
I am heavy forward but backward I'm not.
I'm a kind of cup that doesn't hold water, but makes a lot of noise repeatedly. What am I?
When you stop and look you can always see me. If you try to touch you cannot feel me. I cannot move but as you near me I will move away from you.
What kind of dog has no tail?