What is the meaning of Throwaway?

Disposable; intended for a single use prior to being discarded.

Extemporaneous; off the cuff.

Given in a casual manner, either deliberately or unconsciously, with apparent disregard for effect.

Something temporary and disposable, as:

  1. Any printed material that need not be kept after being read; especially, a flyer or brochure.
  2. A burner account.

Any printed material that need not be kept after being read; especially, a flyer or brochure.

A burner account.

Source: wiktionary.org