A group of retards; could be used either referring the literal definition (I.E. severely physically/cognitively impaired individuals) or just a brigade of dumbasses. Sometimes extended to "Crayon Crunching Crew"—which adds emphasis to the fact that the people being referred to with such namesake are extra retarded.
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".
I don't buy the schmegegge about Morty sleeping with Moira.
His version of the story was pure schmegegge.
The whole schmegegge was made up to get Liz a little bit of attention.