Stands for Halo 3 Disc Read Error. When you boot up your Halo 3 and all you get is a "Disc Read Error" message causing you to slam your head into a wall. After waiting for such a hyped up game you should be able to play with no problems.
I just bought a new 360 and Halo 3 but sadly upon starting up a matchmaking game on snowbound, i am a victim of H3 DRE. Thanks Bungie for this awesome game! Now im going to throw my 360 out the window and hang myself.
by D. Messer October 4, 2007
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H1: A huge, stainless steel bodied, front-midengine, 4wd, all terrain vehicle. Designed by AM General as a military vehicle. AM General was once part of AMC. This is why Hummers and Jeeps resemble each other. AM General became independant before Chrysler bought Jeep from the bankrupt AMC.
Also, a humming blowjob that leads to orgasm.

H2: Produced by GM under license from AM General. Smaller than the H1. Not stainless steel or mid-engine, but pretty damn good off road.
A humming blowjob that does more than just get you hard, but not enough to make you cum. Lots of pleasure before fucking.

H3: Smaller than the H1 or H2, produced by GM.
A humming blow job that just gets you hard, then you move on to fucking right away.
You don't know the difference between H1, H2, and H3 ?

When Anita's on her period, she H1's me. She gives me a hummer, and I shoot in her mouth.

In the morning it's H3. A little hummer, I fuck her, we go to work.

At night it's H2, a medium length, very pleasurable hummer before a fantastic fuck.
by The Sperminator June 2, 2006
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a player on the game runescape that built their character as a godsword pure and as a result owns nearly everyone.
<pker1> lets kill that person!
<pker2> no way man thats lvl 50 in h3, he would one hit us both
by zeroskater890 February 18, 2009
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1.pronounce:(HEDshawt) noun; to kill with a single strike of a long distance weapon.

2.pronounce:(Hadshot) noun; also know as ~headshot~ it is the way noobs pronouce their action when they kill an enemy with one shot to the head.

See: ~noob~
1. "BOO YAH! h3@d5h@w7!"

2. "olololololol h3@d5h@w7" or "iKHAN HAZA h3@d5h@w7!?"
by Thomaspoke November 5, 2010
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International organisation of good-natured drunkards known as hashers who enjoy cross country running or hashing drink lots of beer, inflict cruel punishments on each other when bored, call each other by bizarre hash names, sing hash hymns and are basically sound people.
The H3 have some of the best collections of obscene songs on the web.
by Britarse December 18, 2003
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