Top definition
To ruin the ending of a book or a movie for someone, by revealing information
Person#1: The butler did it!

Person#2: Hey? Why did you tell me that, now the book is ruined to me.

Person#1: Yo dawg, I just Dumbledor'd yo' ass!
by Alfi March 23, 2009
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Jun 13 Word of the Day
No Bull Shit, and old hacker acronym which is usually used to signify that the talk will be serious.
User: I need to talk to you, NBS.
User2: ESAD, Noob.
by Heko July 17, 2004
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