beast with two backs

First attested in English by William Shakespeare, see quotations. Supposedly a calque of French la beste à deux doz (in modern French, la bête à deux dos) from Gargantua and Pantagruel, 1534, by François Rabelais.

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beast with two backs (plural beasts with two backs)

1. (idiomatic, euphemistic) Two people united in sexual intercourse in the missionary position.
   • c. 1603–1604 (date written), William Shakespeare, The Tragœdy of Othello, the Moore of Venice.  (First Quarto), London: N O for Thomas Walkley, , published 1622, →OCLC, , page 4:

     I am one ſir, that come to tell you, your daughter, and the Moore, are now making the Beaſt with two backs.

   • 1991 September, Stephen Fry, chapter 1, in The Liar, London: Heinemann, →ISBN, section I, page 15:

     e remained one of the few boys of his year with whom Adrian had never made the beast with two backs, or rather with whom he had never made the beast with one back and an interestingly shaped middle, […]

• double-backed beast
• two-backed beast
• See also Thesaurus:copulation

• make the beast with two backs