Get in the boat is another way of saying a phrase such as "Oh me too!" Or "Jump in the Band Wagon". This is merely just another way to confuse the listener, and allow them to hear this new cool phrase! This will undeniably leave you being the most interesting person in a conversation.
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.