One who is unable to maintain or unwilling to roll with the necessary task at hand (such as the imbibing of copius amounts of alcoholic beverage). One who cracks under pressure, or is unwilling to push the boundaries. One who likes sparkly shit.
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.