Essentially the lesser version of a sandbagger. Gives no effort to anything of value in life, and fails to acknowledge warnings people give them about doing so.
Jeffrey was leaf bagging his calculushomework, and as a result he got a fifty on it. His teacher and his his parents scolded him for his poor score but he just shrugged it off and wen to his room to play Terraria.
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.