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double penetration

American  
[duhb-uhl pen-i-trey-shuhn] / ˈdʌb əl ˌpɛn ɪˈtreɪ ʃən /

noun

  1. a sexual act in which a woman's vagina and anus are penetrated at the same time. DP


Etymology

Origin of double penetration

First recorded in 1915–20