A religion, such as Christianity, that is practiced every holy day, involving all Halo 3 Xbox Live subscribers. Holy Days are every night, from 6:00 PM-6:00 AM.
Person A: I celebrate Christianity, therefore my favorite day is December 25th.
Person B: Well I celebrate Halo Threetianity, and our holiday is September 25th.
Person B: Well I celebrate Halo Threetianity, and our holiday is September 25th.
by Rajbeer October 19, 2007
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A hairstyle created when a balding man, wearing the "crown of laurels" hairstyle, opts to grow his remaining ring of hair to shoulder length, creating a halo of mulletous hair. Not generally considered a fashionable hairstyle.
by Joseph Mamma October 10, 2003
Get the mullet halo mug.A game created by Bungie for the PC and Xbox. Contrary to popular belief, Master Chief does have a name. His name is "John." It is one of the best-selling games ever and has had a sequel to it. While the the third one has not come out at this time it in the process of being made. There are also plans for an RTS on the Xbox 360. Movie plans were made, then abruptly cancelled due to budget issues. A trilogy of books was also written about this series by a writer named Eric Nylund. They give many important details and a lot of background information.
Halo, play it with your friends.
by The Real Iggy October 26, 2006
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an initial invitation of the ritual of buttsecksing, it involves inserting the umaro into another's butt with the promise of repeated insertion
see also se><0r t3h f4c3
see also se><0r t3h f4c3
by GAWD it hurts!11! January 17, 2004
Get the y halo thar buttsecks? mug.Guys who come over everyday and spend 8 hours playing Halo 2 online. They tend to trash your apartment, eat all of your food, and yell at the television. These guys tend to lack any interaction with females and tend to be alcoholics.
Halo Guy One: Let's go over there and play Halo.
Halo Guy Two: Well I do have Japanese homework.
Halo Guy One: Don't be gay, I mean it's Halo, there's nothing more bad ass than shooting people and sounding like a baboon in heat.
Halo Guy Two: Well I do have Japanese homework.
Halo Guy One: Don't be gay, I mean it's Halo, there's nothing more bad ass than shooting people and sounding like a baboon in heat.
by Gary Wright August 16, 2005
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