Random web find, at
https://www.victorianlondon.org/words/aesthetic.htm:

Text on the page:

REFINEMENTS OF MODERN SPEECH.

SCENE – A Drawing-room in “Passionate Brompton.”

Fair Aesthetic (suddenly, and in deepest tones, to Smith, who has just been introduced to take her in to Dinner). “ARE YOU INTENSE?”

Punch, June 14, 1879

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100% CIDU for me. The rest of the site is interesting, including
https://www.victorianlondon.org/index.html and especially
https://www.victorianlondon.org/index-2012.htm