SUDDEN VEHEMENCE (FROM THE DICTIONARY, 1755)

orga’sm.  Sudden vehemence.

By means of the curious lodgment and inosculation of the auditory nerves, the orgasms of the spirits should  be allayed, and perturbations of the mind quieted. 

Derham’s Physico-Theology.

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From: Johnson’s Dictionary, A Modern Selection by E.L. McAdam, Jr. & George Milne, New York, Pantheon Books, 1963.