Other
- BOSH, Bidirectional-streams Over Synchronous HTTP, a transport protocol in computer networking
- Bosh Berlin, American rock band from St. Louis
- BOSH (band), Christian Rock band from Bournemouth, United Kingdom
- The nonsense and whimsical writings of Edward Lear, such as A Book of Bosh
- In many parts of the South Wales valleys (United Kingdom), the kitchen sink was and often still is referred to as 'The Bosh', though the origin of this particular use of the word is obscure.
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