Definition from Wiktionary, the free dictionary
- No longer capable, effective or needed; over the hill.
2012 June 3, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Mr. Plow” (season 4, episode 9; originally aired 11/19/1992)”, in (Please provide the title of the work):
- It would be difficult, for example, to imagine a bigger, more obvious subject for comedy than the laughable self-delusion of washed-up celebrities, especially if the washed-up celebrity in question is Adam West, a camp icon who can go toe to toe with William Shatner as the king of winking self-parody.