A person who will get the job done by ANY means. A grubster is tough, mean, and determined. The first time I heard the term, it was a nickname for a football linebacker at my highschool. His name was Bing which didn't sound very tough so his team mates called him grubster. He would hit guys so hard that the "pop" sound would echo through the stands. Twenty years later, everyone I know still uses the term. I even hear people I don't know use the term.
The verb form of "Grunstep" meaining to be listeing to a new underground genre. spawned in New York city that has hence spread to the suburbs. This new wave of Grunstep is quickly invading the computers and sound systems of men, women, children, and aliens alike.
Jacob Grunberger is "Grunstepping" across the country as he goes on college visits.
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.
Looking or experiencing something nice after witnessing something horrid like a disgusting gif or a disturbing video. Typically used as eye bleach are nice images of whatever makes the disturbed person happy.