A horcrux is an object in which one stores part of one's soul. When a witch or wizard murders someone they can use very dark magic and split their soul in two or maybe even more numbers and store part of their soul in an object which will allow them to be virtually immortal because while their physical body may be killed, their soul remains. In order to kill a person with a horcrux you must both kill the person and destroy their horcrux (or horcruxes) The horcrux can be a dark object, animal or possibly even person that has some meaning to the person who it belongs to (however they object does not necessarily need to have meaning to the person.)
Harry Potter must find and destroy all of Voldemort's horcruxes. After Harry has done this he can kill Voldermort, the final and ultimate horcrux.
by iloveharrypotter!!!!! July 25, 2005
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When a man spreads himself too thinly on dating apps, leaving parts of his soul in various young women
"What's Adrian upto?"
"Hes just talking to Amy,Beth,Marie,Katie,Elizabeth,Kirsty,Tammie,Sophie,Sammie,Tracey,Margery...."
"Oh ok, I get it. He's Horcruxing!"

Adrian has been horcruxing too much recently - he is a shell of a man
by TheRealHorcruxer November 16, 2019
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The offspring of a ginger(no soul) and a normal human being(full soul), resulting in only having only a partial soul, a horcrux.
Q: Did you know Tyrone and that ginger got married?

A: Yeah, they even have their own little horcrux now, he's so cute.
by N-arch April 7, 2011
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A hooker that is on cruches.
Tito: Damn, that crazy ho is one of them horcrux's! I GOTTA GET ME SOME OF THAT!
by Master Clean January 26, 2006
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Horcrux

Wasting something valuble or precious for nothing. Usually pretaining to video games or RPGs.
DUDE! I just beat that boss and horcruxed my last potion, two minutes later I get ambushed by a group of orcs and die! Gaaah!
by Pr4wn3r 1337x0rx September 26, 2005
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The act of spreading oneself too thinly.
I've totally been horcruxing lately.
by Voldomortus February 7, 2012
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In response to an annoyingly moody person
Ron: "I saw you two the other night..."

Hermione: "Take off your horcrux and shut the eff up!"
by Tubesular November 20, 2010
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