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An ecstacy brought about by an encounter with the otherworldly.
An ecstatic feeling of awe and wonder caused by the sudden realization of mind-blowing, alien knowledge.
He was overcome with exogasm when he discovered that there are trillions of Earths orbiting countless other stars.

It was truly exogasmic when the discovery of numerous earth-like exoplanets were announced to the masses.
by metapsyche February 08, 2011