A reference to Hungry Jacks and the troubled AFL footballer Ben Cousins, who had a massive (and sadly ongoing) amphetamine and cocaine problem. The Ben Cousins Meal Deal: No burger, no fries, just the coke and ice.
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.