insta-sex en · NOUN
Etymology
From insta- + sex.
Meanings
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(slang, uncountable) Sexual intercourse entered into with another person within a short time of meeting that person.
There's really no upside for insta-sex, unless you get off on the passion of that moment (there might not be many moments beyond it).
1995, Mademoiselle, volume 101, numbers 7-12, page 70:The Seductive Way might seem antiquated in an age of Turbotongue vibrators, designer faces, insta-sex, image doctors, and love coaches, but it endures in the erotic pathways of the subpsyche.
2004, Elizabeth Prioleau, Seductress: Women Who Ravished the World and Their Lost Art of Love, page 47:In interview after interview, Glamour learned that, for the most part, they are articulate, thoughtful, even shy—just normal young women who think a quick fix of insta-sex is well worth the risks.
2009, Glamour, volume 107, numbers 9-10, page 276: