Its the bus that goes from the Palisades to Santa Monica. Its a SoCal thing to know. Other places think that it means something like The Short Bus but their just pullin that outta their asses.
~West-West Y'all~

A man who messes around with other men, but no one would ever know by looking or talking to him. Used by gay black men to identify masculine gay men or DL Brothas.

When the male speciman sticks a big blue bus up his urethra. Preferably with people inside.