(from M-W)

Main Entry: in·kling
Pronunciation: ‘i[ng]-kli[ng]
Function: noun
Etymology: Middle English yngkiling whisper, mention, probably from inclen to hint at; akin to Old English inca suspicion
1 : a slight indication or suggestion : HINT, CLUE 2 : a slight knowledge or vague notion

(from the Wicktionary)
1: an idea for a story that won’t leave me alone

* * *

I have an inkling: a series of stories set in and around a fantastic brothel.

I’ll probably be writing the first one soon. Stay tuned.