While lying in bed with a potential sexual partner in front of you it's the act of making the same shape as them and thrusting your frontal region into their nether region, ending if successful in a reach around.
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.