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An expression typically used by trance junkies, when they hear a decent track.

Sometimes it can be used in the ironic sense, and needn't be associated with a track of outstanding musical merit. For example, upon hearing 'Tiesto - Traffic', while hardly a work of genius, omg choon would still be an appropriate reaction, because,'s 'Traffic' innit.

See: OMG I DIE, omgtijs, etc.
<Armin van Buuren> That was new the new track from Push!!
<dave> omg choon!!
by Col July 26, 2004
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