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noun. Acronym for All Time High. References one's account, usually a brokerage account, in which one's equity has reached its highest level.
Phil: "Mo, I think my account reached an ATH today."
Mo: "What'd you expect, brozay? Stick me me and you'll be trading on the beaches of the Carribean, being fed grapes by the most voluptuous women around."
by stockman09 March 01, 2010
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3
The abyss of Addison, Illinois. Addison Trail high school.
I'm a junior. I'm almost out of hell II.
Where women think (oh sorry, KNOW) they are too good for you, unless you are a stupid prep or stupid souchebag. Then again that's every high school.
by Adrian Herrera January 01, 2005
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6
Acronym for "Ah, the horror". Used to show sarcastic sympathy for a shitty event.
R: Man my day was really shitty, there were angry customers and my manager-

B: ATH stop bitching and deal with it.
by Ben Dasey September 02, 2008
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7
comes from an Irish song "The Fields of Athenry"

Person of low patience, angered easily, but of unstoppable greatness.
by Gerald July 03, 2004
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