throwaway

Water was provided in throwaway plastic bottles, but the more ecologically minded of us refilled our initial bottles from the fountain.

The host made a throwaway remark about the president that was later repeated on the television news.

As the film opens, a martial-drum-dominated version of the "Star Wars" theme and the inevitable bottom-to-top print crawl inform us that the Clone Wars, a conflict that originated as a throwaway line in the original 1977 film... http://www.nysun.com/arts/star-wars-clone-wars-painted-in-the-stars/83922/