This phrase is used when two friends see each other instead of the common hello. Note the name dave can apply to any male irrespective of age and race.
EHSAN: Nah dave how you been bro?
NASAF: daveee nahhh
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.