Posted in Internet Slang, Organizations YB stands for Yellowbook YB stands for Yearbook YB stands for Young Boys (Swiss sports club) YB stands for Yang Berhormat (Malay: The Honorable) YB stands for Ytterbium YB stands for Young Blood YB stands for Young Bull YB stands for Yorkshire Bank (UK) YB stands for Yottabyte (10 E^24, one septillion bytes) YB stands for Yellow Belt (Lean Six Sigma training) YB stands for Young Buck (rapper) YB stands for Yogi Bear (cartoon character)