The person that turns up to events and each and every time manages to suck the very soul out of the room by simply arriving.
Funny Friend - "why has everyone suddenly gone dead weird and cagey all of a sudden?"
Other funny friend - "the death eater has arrived"
Funny Friend "we need to get someone to change the music to really loud and get the heating on really high, it's freezing in here!"

Other funny friend does not reply as they have sadly encountered Death Eater, has fainted and is having their very soul sucked out of their mouth
by jojohedgehog November 20, 2011
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The polar opposite of (and often directly caused by) draco in leather pants, whereby fandom demonizes a previously likeable, good character, often for the sake of shipping.

The origin of the name comes from Harry Potter fandom, in which fanfic writers shipping Hermione with characters other than her canon love interest, Ronald Weasley (or Ron), would often include some terribly contrived arc in which Ron goes insane from Hermione dumping him, and promptly joins the villains of the series, the Death Eaters, thus making it easier for readers to sympathise with Hermione's choice and hence the ship of choice.
Perfect, non-HP example of Ron the death eater in action:

In 2002, the second series of the Pokemon anime saw a cast change, in which one of the three main characters, Misty (who was heavily shipped with one of the other main characters, specifically Ash), was swapped for a younger model, May. Cue dozens of gratuitous rapefics written in May's dishonour. Voila: May the death eater.
by WolfsBaneT9 January 4, 2013
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A nerd word used by all the nerds who read all the Harry Potter books wearing glasses and scars... I hate nerds
Billy: Did you see that Death Eater go by? *snort*
Joe: Yeah, he made me wet my whitey-tighties
by Jorge Consuales March 12, 2006
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The judgmental bitches in middle school that hate everyone else but themselves and the people in "their group". It doesn't matter who you are if you're not them.
Most People: Ugh! I hate Jr. High! All these frickin' Middle School Death Eaters are bringing me down!
by Iris Dauphine May 2, 2011
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