Where's your briefcase?

To ask someone how old they are or point out their immaturity.
Dude 1: watch me smash this fly with my face.
Dude 2: Your in high school man grow up.
Dude 1: NEVA!
Dude 2: Where's your briefcase?
by Gnar Cakes October 23, 2008
mugGet the Where's your briefcase?mug.