A smudge of poo, crap, or shit created under the extreme conditions of wiping one’s ass while sitting onthe crapper, and knowing or unknowingly smashing the cling-on against the seat and the back of the hand.
The result of missing ones ass with toilet paper, during the act of wiping.
The child was not properly trained to use the toilet, hence craped all over the toilet seat. The little Knucklesmudgling will follow in its parent’s footsteps.
The patron entered the public restroom and observed a brownish/black streak left on the toilet seat by the previous occupant, aka "Knucklesmudge".
The bulk of the human species that lives on planet earth that has no common sense otherwise known as a "Knucklesmudge".
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.
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.