Simultaneous oral sex. Can be practised by M+M, M+F or F+F.

The reference is that the numerals 6 and 9 are inverted versions of each other, reflecting the physical position that the couple must adopt when engaged in this sexual practice.

Simultaneous fellatio and cunnilingus - the female sucks the male's dick while he eats her pussy out. Gay and lesbian versions of 69 are also practiced.

A position where the male licks the female's vagina and the female sucks the male's penis...could be used for male on male or female on female action it should not be considered intercourse because it is only oral...fun position that every one talks about and makes jokes about untill they experience it for the first time.
most popular number spoken about by teens next to 420.

The highest number you can do as factorial on a standard calculator. 70 causes mathematical eroor.

69 When a girl is sucking on your cock while u are upside down eating her pussy.

Simultaneous oral sex.

to lay on 1 another the male facing the vagina and the female facing the penis and then perform oral sex