First found in The 1975's song titled Anobrain. It goes: "Can you move a little bit of your K?" "For you, babe, it's anobrain." i.e., for you I would do anything, it's a no-brainer; there is no need to ask
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.