1. What does it mean?
킹리적 갓심 playfully remodels 합리적 의심, reasonable suspicion, using 킹, king, and 갓, god, as emphatic replacements. It usually announces a hunch that the speaker thinks fits the clues unusually well.
Also written or said as 킹리적갓심, kingnijeok gatsim
2. The nuance
The comic wording does not turn a guess into proof. It is safest for low-stakes jokes; using it to imply misconduct by a real person can spread an unsupported accusation.
3. Examples
“간식이 줄어든 걸 보니 어제 영화 볼 때 내가 먹었다는 킹리적 갓심이 들어.”
The missing snacks make me strongly suspect I ate them during yesterday's movie.
“그건 킹리적 갓심일 뿐이니까 확인부터 하자.”
That's only our jokingly confident suspicion, so let's check first.
Sources
References support the meaning and usage. Example sentences are written for NoCapWiki.