A small critter that lives on or under the ground. Must be squirmy. Most rodents and frogs are Squigums but not all. Some birds and mustelids. They are pretty sick.
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.