When a man pulls out during sex and ejaculates into a girl's belly-button, filling her belly-button up with a man-made lake of jizz.
Tony and Jane were having sex in the missionary position. Right before he reached climax, Tony pulled out and filled Jane's belly-button with his ejaculate, creating a reservior of ejaculate in her belly-button. Jane proclaimed, that is a jizzervoir.
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.