A plastic shieve inserted in one's shirt pocket to prevent pens from leaking and staining the shirt.
As far as i am aware it was invented in the US, and never exported to the rest of the world.
Not popular anymore, even among geeks
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".