[Ask ] how to say "baolei" in En?

[chen95982000 (元元)]

You really want to go to a box-office movie but just need some free time to do
 it. Your friends are happily talking about the plot after they saw it, and
they want to share it with you,
but once they tell you the plot, it will be less interesting when you go to the
movie afterward.
We described it as "baolei(爆雷)" in Chinese.
When you accidentally know the plot before you watch it, you are being "雷".
(well, not actually real chinese, just a popular term in the yong subculture)

Any corresponding word in english to this chinese term?

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→ Sue82:雷在英文上是說spoiler
→ Sue82:Or you can say he already told me the ending.
→ Sue82:I don't think people say you are being "雷" in English.
推 Tabrith:spoiler +1
→ tengharold:concur spoiler ._./