sixty-nine

Meanings

1. The cardinal number immediately following sixty-eight and preceding seventy.

1. A sex position where two people perform oral sex on each other simultaneously.

1. To have sex in the sixty-nine position: to engage in mutual oral sex.

Etymology

Calque of French soixante-neuf, from the rotational symmetry of the numeral 69 — if rotated a half-turn (by 180°), the numeral remains the same, and a couple both giving oral sex at once have, in principle, a similar rotational symmetry.