A fork of Rural Dictionary
An acronym standing for Marching Band. Used by people online when messaging people publically,such as MySpace or Facebook, to avoid the criticism or questioning of other people.
James: Hey Mike are you doing MB next year?
Mike: I can't, I'm joining the football team.
morning bulge; when you wake up and notice that your dick is poking your pants, thus forming a bulge
I don't get embarssed when my mom notices my MB coz its only natural and happens to all teenage boys
A short term for Money Boy which is basically similar to Working Girl but it’s a boy
Make-believe.
Fights in real life don't work like they do in movies, it's all MB.