What Does Bo Mean In Slang?

What Does Bo Mean In Slang? BO. Definition: Boyfriend or Girlfriend (old-fashioned English) Type: Slang Word (Jargon) Does BO mean boyfriend? beau Add to list Share. A beau is an old-fashioned term for “boyfriend.” When your great-grandmother was young, she probably had a beau. Beau means “handsome” in French. What BO means in texting? Bo