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1.
aka Cortona, the advanced AI that talks to you throughout the halo series.
Cortona: Wait, where are you going?
Master Chief: Shut up halo whore! Stop telling me where to go and what to do. Why do you have to be a bitch like every other woman and just sit there in my head and nag at me??
by Phil Kohr December 07, 2007
 
2.
A person who always talks about the Halo games. The person is so obsessed that he has dreams about Halo.
Jim: Dude Halo Reach is coming out! I can't wait I have all the halo games, and I love them to death!

Bob: Stop being a Halowhore, man.
by wordfinder756 July 05, 2010