An Addie Daddie is someone who embraces traditional pig culture. An Addie Daddie is also someone who is deeply knowledgeable in very obscure things such as The Panic of 1837, the song Big Iron, Terraria, etc.
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.