Someone who is actually dumb,crazy, and or cracked up. You would usually use this term is you’re disappointed in them or as an Insult. This could also mean to be funny thing to call your friends.
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.