“Yer darn ___!” Crossword Clue

 The answer to the crossword clue "Yer darn ___!" is TOOTIN'.

This is a playful and informal way of saying "tooting your horn" or "bragging". It is often used in a humorous way, or to express mild surprise or disbelief.

Here are some examples of how the word "tootin'" might be used in a sentence:

"Yer darn tootin' I'm proud of my son!"

"The salesman was tootin' his own horn about how great his product was."

"I'm not tootin' my own horn, but I think I did a pretty good job on that presentation."

I hope this helps!