The Brotherhood of Butt is an organization created by a Usama Jack Him and a mysterous co founder only known as D.S. The Brotherhood of Butt was suopposed to be a very powerfull organization but due to conflicts between the members and Jaysahr's Legion The Brotherhood of Butt is now made up of only the original founders and is extremely unstable. The members are fround upponed by the NCR and are declared enemies of the Republic.
The Brotherhood of Butt is involved in exessive use of addictive chems including Jet. Member are required to wear jackets that have been crafted from bhramin skin. The Brotherhood of Butt members talk about their stories in witch they engadge in sexual activitys quite frequently, theese stories are however unture.