Highly anticipated upcoming FPS game being made by Bungie Studios for the Xbox 360 console. It is a prequel to Halo: Combat Evolved and will be the last Halo game made by Bungie, who will afterwards move on to making another game of a new IP universe (or possibly a Marathon game). There will be a public beta starting May 3rd that anyone with a copy of Halo 3: ODST can access.
by Rod_Jonse April 23, 2010
The sickness that is obtained from purchasing the newest Halo game for the Xbox 360. To get better you must stay home and play as much Halo as you can, for one to possibly two days depending on how severe your need to play is.
by notben September 28, 2007
by Matt Hiatt June 17, 2008
When you take a shit and don't wipe and later that day you notice a crusted shit around your rectum resembling a Rusty Halo
by MorningThunder January 15, 2012
The act of adding a roofie to the alcoholic beverage of someone you wish to corrupt. Usually in a professional or social situation. The target then acts in a non-professional manner, rendering their reputation (their halo) as questionable at best.
Joe: Dayum, my co-worker was out of her mind last night, hanging on every guy, taking her clothes off, and passing out under the kitchen table. She normally doesn't act like that, i wonder if someone slipped her a halo roofie, she was kinda moving up the corporate ladder way too fast...
by literalgrrl December 02, 2011
Calling in sick to work on the release day of a highly anticipated video game so time can be spent playing the new game. Named for the large number of people that called in sick on the day that Halo 3 was released.
by popeiler July 22, 2011
A Halo competition nvolving 8 or more people, usually involving heavy drinking and unabashed usage of expletives and cuss.
by Crapshooter August 05, 2003