A verbal pit one digs himself into by uttering facts or specifics best left unsaid. Danholes are typically dug unintentionally by the chronically stupid.
Dude, did he really just admit to spending the weekend in Vegas and not at his parents? Wonder how he is going to dig out of that DanHole.
An over-the-hill or middle-aged dad who still acts like a child or teenager. The act of being an immature father.
Brother: What's Pop been up to since I've been away at college?
Sister: Oh, you know: egging cars, putting flaming bags of poop on doorsteps, and the list goes on...
Brother: His dadolescent behavior is sad.