soixante-neuf

Etymology
.

Noun

 * 1) sixty-nine

Verb

 * 1)  sixty-nine

Etymology 1
Compound of and.

Numeral

 * 1) sixty-nine

Etymology 2
From the 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.

Noun

 * 1) sixty-nine sex position where two people give each other oral sex at the same time