To buff sleep, someone who is a buff sleeper. This is a term that means nothing to those who do not do it, and people who don't do so because they just do not buff sleep enough to know what it means.
That girl is hot so she is sleeping in the buff, but her friend is sooo not a buff sleeper.
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".