Giving oral sex to a corpse. Some biker gangs have used this as part of their hazing process and if you complete it successfully you will receive a patch with "Grey Wings" on it you can sew to your leather jacket.
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.