Adjective: sixty-nine 'siks-tee'nInNoun: sixty-nine 'siks-tee'nIn
- Oral sex practised simultaneously by two people
"The term soixante-neuf comes from the French word for sixty-nine";
- soixante-neuf [informal]
Derived forms: sixty-nines
See also: cardinal
Type of: oral sex
Encyclopedia: Sixty-nine