This is code for "swinger", taken from the number/letter scheme on your telephone keypad. It is often used by swinging couples to identify each other without being too obvious.
"Do you know what 7946437 means? Really? Let's swap wives then!"
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.
"Bleach my eyes! Why is that woman's face ripped off!?"
*Looks up images of puppies and kittens.*
"That's good eye bleach."