Commonly a word with no definition, and can practically be used in any tense. It can be used to express anger, happiness, or even frustration. The origin of the word is unknown, but the word is quite fascinating. You can use this word at a person or teacher to express anger or just to annoy them and they won't know what it means. If anyone comes up to you and says "Say it" it indicates that you are meant to say "Ya daddio."
Teacher - "You guys have a rough draft due tomorrow for the essay, better get started!"
Student - "Wow, ya daddio!"
Noah - "How was the test? Did you think it was hard."
Henry "Dude it was hecka daddio, thats all I have to say."
Billy - "Fuck you Casey, go home and die!"
Casey -"Ya daddio."
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.