Doing too many things and having to emergency chill-out and slow down before you burn-out. From: Trucks use these to stop a runaway truck going downhill at 70mph and is losing control.
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.