look up any word, like cleveland steamer:

1 definition by Kamarihi & Dmitri

 
1.
A common TableTop or Tabletop-TextBased RPG phrase, standing for "Bring your own Stat Sheet." An associated phrase to B.Y.O.B.
Hey, if we're playing DnD tonight B.Y.O.S.S.
by Kamarihi & Dmitri August 09, 2009