(figuratively) Something which serves as inspiration or encouragement, especially for satire or humour.
2012 April 29, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992)”, in (Please provide the title of the work):
According to the audio commentary on “Treehouse Of Horror III,” some of the creative folks at The Simpsons were concerned that the “Treehouse Of Horror” franchise had outworn its welcome and was rapidly running out of classic horror or science-fiction fodder to spoof.
2009, "Colin Blackburn", another 1-off cryptic clue. (on newsgroup rec.puzzles.crosswords)
In (part of) Shelley's poem Ozymandias is a "crumbling statue". If this is the explanation then the clue is not a reverse cryptic in the same was[sic] as GEGS -> SCRAMBLED EGGS but a normal clue where where the fodder and anagrind are *both* indirect.
2012, David Astle, Puzzled: Secrets and clues from a life in words
Insane Roman! (4)[…] Look in -sane Roman and you'll uncover NERO, the insane Roman. Dovetailing the signpost — in — with the hidden fodder — sane Roman — is inspired, an embedded style of signposting.