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Noun - bad breath due to excessively playing Halo over a course of 2 - x days.
Carson: "Hey guys, no one was on Live last night, what the fuck?"
Devon: "Dude, you gotta fix that halotosis you got goin on or else we will all die!"
by Devon Naccarato May 15, 2008
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An afterimage type of alteration to your visual and balance processing caused by many hours staring intently at the Halo video game screen, jacked on adrenaline but barely moving your body except for your twitching fingers, navigating through dark alien-infested tunnels with a weird purplish flashlight mounted on the helmet of a wobbly android war machine that you operate via the clumsy X-Y-Z axis joystick interface...distorts your senses when walking and driving after, especially in the dark at 2am when the battle is finally put on game for later.
After dinner, he said "Slayer in Blood Gulch, or Snipers in the Power Station?" When I got up to pee, it was 2am.

"Yo dude, I gotta work tomorrow..."

"OK, but let's just clear this level and smoke another one before you go."

I had severe halotosis on the way home, with green crosshairs hovering in my field of vision...the flood was everywhere, splattering off the windshield of my Warthog as I crushed them into roadkill.
by jona fin May 12, 2009
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