ネタバレ

ねたばれ
noun
spoiler
1. spoiler (plot reveal)
Revealing key plot details of a story, movie, or game before others have experienced it. From ネタ (material/story element) + バレる (to be exposed).
ネタバレしないでください
Please don't spoil it!
I accidentally saw a spoiler.
Spoiler warning: The following contains the ending.

ネタバレ means spoiler - revealing plot details before someone has experienced the story.

WORD FORMATION:
ネタ (story element/material) + バレる (to be exposed) = spoiler

COMMON EXPRESSIONS:

USAGE:

Very common in online discussions about:

NOTE:
Often written in brackets 【ネタバレ】 as a warning header in reviews and discussions.