Tasty but without substance, and you feel guilty and maybe the urge to vomit afterwards.

Example:

 Ripping off Daft Punk's imagery?
 Ripping off their name from well-known artists?
 Unwarranted self-reverence?
 Entirely derivative?
 Originality?

By all means, gorge if you like (we all have guilty pleasures).

But that empty feeling you get afterwards?

Yeah.