Dextrose content of a (chemical) solution, including blood. Also a pun on dexterity, due to non-intrusive blood sugar monitoring devices which are essentiallylooking for the glucose content of blood (dextrose is also known as d-glucose) by shining light through one's finger.
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".