To get a better quality product or more quantity of that product for the regular price, particularly when you are at a fast food restaurant or when requesting sexual deeds from prostitutes.
I ordered a small drink, and asked for the ghetto-upgrade, and received a large for the small price.
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.
Looking or experiencing something nice after witnessing something horrid like a disgusting gif or a disturbing video. Typically used as eye bleach are nice images of whatever makes the disturbed person happy.