A person who is, or bears qualities similar to, one who lives on the streets and relies on others for all of his/her needs. Such needs include, but are not limited too, a constant, insatiable hunger, which thereby leads the person to require others to provide him/her with food, usually in excessive quantities, and the desire to be carried at all times in order to avoid all physical motion and effort. Scientifically, Bumsteins are incapable of converting calories into energy, thereby permitting them from performing any sort of physical motion of a useful nature.
The young lady in Communist Russia, though fully unaware of what Communism was, relied on the government like the bumstein that she was.
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.