A term coined on the Fox show "Glee"- meaning a person that won't succeed in life and will be a loser for the rest of his/her life and never amount to anything.
Lima being the town in which the Glee characters live in, or Lost In the Middle of America (L.I.M.A.)
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".