To spoil the outcome of something (accidentally or on purpose)in a conversation; verbal or electronic, with another person. ie give away a movie ending, tv show, book etc
Often used with Spoilerer
(someone who spoilered said movie/tv show for you)
"dude you totally spoilered that movie for me, you're such a spoilerer"
Die Mails werden von firstname.lastname@example.org versendet. Wir versenden keine Spammails.