The unfortuante series of events when a really attractive girl is spending time with/ hooking up with a really unattractive guy. This situation is very easily seen in western pennsylvania, thus the name. Statisticians indicate that 64% of girls between the ages of 18-24 suffer from the curse. There is no known cause for the curse, only that doctors and psychologists point to major brain damage suffered at birth, probably caused by fetal alcohol syndrome.
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.