This is a term that is used to describe when someone or something is so offensive or foul that they make your teeth itch. Would be similar to someone making your skin crawl. Only worse. If you don’t think this is a real saying then you’re making my teeth itch.
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.