A response to the stupid statement or action of another. A skewed version of "Thank You"(said quickly, to "A-thank-y", then "A Ha He"). Can be coupled with squinted eyes and jutting out of the mouth.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.