Bareback

[Sarah]

On the bare back of a horse, without using a saddle; as, toride bareback.

[Sarah]

Bareback: Vaginal intercourse, anal intercourse, or oral intercourse without the use of a condom.

[Sarah]

Gay anal sex without a condom

[Sarah]

Sex without a condom, especially anal sex between two men without a condom.

[Sarah]

No use of a condom

[Sarah]

the act of unprotected sex, or sex without a condom.

[Sarah]

Fucking sans [condom]

[Sarah]

To have (usually gay) penitrative anal sex without the use of a condom. Can otherwise be described as [raw].

[Sarah]

to ride a horse without a saddle

[Dave Paprocki]

without a saddle on the back of a horse that is being ridden: