Definitions for rubbishy
Random House Webster's College Dictionary
worthless material that is rejected or thrown out; litter; trash.
nonsense, as in writing or art:
Origin of rubbish:
1350–1400; ME rubbes, rob(b)ous
cheap and inferior; of no value
"rubbishy newspapers that form almost the sole reading of the majority"; "trashy merchandise"
Strewn with litter
Of little or no value; worthless