From ‘The Telegraph’ 
Person one: What’s a seven-letter word meaning ‘easily perceived or understood’, starting with ‘O’?
Person two: Isn’t it ‘obvious’?
Person one: No, that’s why I’m asking.
Person one: The person who invented the crossword is buried in our local cemetery.
Person two: Oh, where abouts?
Person one: Seven across and six down.
Person one: I was talking to the creator of the crossword last week.
Person two: What was his name?
Person one: I’ve forgotten, but it was P something T something R.

He asked his wife, “How do you spell Hawaii?”
His wife said “I’m sorry, I don’t think you can spell that; you need two ‘I’s.”
Here’s a video from the New Yorker about creating crossword clues https://www.newyorker.com/video/watch/the-quest-for-the-perfect-crossword-clue
Any other clever crossword jokes you’d like to share below?
My wife and I never have a crossword bereeen us. We get 2 of each. I have mine & she has hers!