bareback

Short definition from Wiktionary

Adjective

1. 1
   Without a saddle.
2. 2
   Without a condom.
3. 3
   Without a shirt; shirtless.

Adverb

1. 1
   Without a saddle.
2. 2
   Without a condom.

Verb

1. 1
   To have sex (with someone) without using a condom.

Noun

1. 1
   A bird, raised for meat, that lacks feathers, seen as an undesirable trait.