Someone who is call a gittychicken is someone who is being very happy while showing signs of nervousness. Being happy while exhibiting behavior associated with not thinking clearly. One who is a gittychicken often excessively smiles and acts silly while also being cowardice as a someone called a "chicken" would be portraying.
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.