In military it is an abbreviation for High Altitude-Low Opening. In terms of a para-jump special forces do it to avoid detection. Soldiers are dropped from a high altitude like 10,000 ft and freefall until they reach about 500 ft or below
by Anonymous February 11, 2003
I've noticed a lot of people are assholes, and give biased definitions saying it either "r0xxorzez all t3h othar games!!11!!1!111" or "is a total fag noob shitty game" This is an unbiased definition of HALO: Combat evolved:
1:n.A first-person-shooter game for the Microsoft X-box in which the main protagonist Master Chief and his A.I. guide Cortana fight through a giant alien construct (the halo) in space alongside marines to destroy it before it eradictes all life in the universe. To further complicate things, the Covenant, a hierarchy of aliens bent on killing humans because they are believed to be inferior, have landed on the ring and believe it to be a sacred artifact, so they naturally try to defend it. Also, a parasitic plague known as the flood have been contained on the ring, and are released by the covenant. An evil and unsatiable appetite for sentient flesh drives the flood to infect and destroy all biological matter in the universe, and the Master Chief must get through them too to destroy the ring (which leads to a couple of the most annoying levels ever in game history). Halo and it's successor, HALO 2, have active online communities, as they both sport a form of online play.
2.adj.High Altitude Low Opening jump from a plane
1) Halo is an addictive fps (In my own opinion) for the Xbox. Many people say it's "linear" "repetitive" "slow" or "has crappy graphics", or that "people who think halo rules don't play fps games". I love halo, along with games like: Half-life (1 and 2), Far-Cry, The Medal of Honor and Call of Duty series, and Resistence: Fall of Man to name a few. Furthermore, people are too hooked on free-roam games with gorgeous graphics, without it occurring to them that maybe if a game has good gameplay (which i personally believe it does), then it really doesn't matter. God of War has linear gameplay with somewhat repetitive enemies, but the gameplay is so good you overlook that. People need to think more.
2. Alpha team made a HALO jump from the plane
by Lewk the Dewk April 29, 2007
A slang term for a used condom
Every morning there's a halo hanging from the corner of my girlfriend's four post bed. -- "Every Morning" by Sugar Ray
by hempick June 18, 2005
HALO STANDS FOR:
HIGH ALTITUDE LOW OPENING
It is a difficult parachuting technique involving extended free fall(usually around 2 minutes at 120 knots) with the usuage of a breathing apparatus.
USUALLY USED TO INSERT SPECIAL FORCES SOLDIERS INTO DENIED OR HOSTILE TERRITORY.
AND, NO THE NAME FOR THIS DID NOT STEM FROM THE GAME, IT HAS BEEN AROUND LONGER THAN THE GAMER CREATERS HAVE BEEN ALIVE.
SGT. Martin braced himself in aniticipation for the treacherous HALO DIVE into his missions target area.
by Jamie Moorhouse April 02, 2008
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
A game that peple enjoy insulting even though 80% of those halo haters have never played it.
"Halo is a good game" said the purple man
" I played that game at my friends house its gay" replied disgruntled kill zone fan.
by Duck man drake January 06, 2006
A first-person shooter for Xbox and computer, that after a session of playing it, a person may come to grip with the fact that it is an excellent game and not overrated.
He played Halo, and stopped trashing it for the rest of his natural life.
by Ainolketta February 18, 2005

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