A young-ish male between 18 and 30 who feigns maturity by adopting the demeanour, sense of humour, dress sense, tired attitudes and the general guise of their father or a generic "dad". Usually done as a result of never having been very interesting in the first place
Mark is a fuckingboring dadult who buys Blue Harbour, drinks ale, and has a receding hairline of a 40 year old
The phenomenon where a father will get more credit than a mother for the same action or behavior.
An example of Dadulation is: Nari's Mom brought in cupcakes for the whole class? Oh, that's nice. Nari's Dad brought in cupcakes for the whole class? What a good man he is. I with more fathers were that awesome. He's a model for other parents to emulate. Too bad her Mom couldn't be more like him.