Darn it.
The Big Bang Theory Season 12, Episode 8
"Darn tooting, I do.
The Big Bang Theory Season 3, Episode 16
You're DARN right, you wouldn't.
The Big Bang Theory Season 10, Episode 4
Oh, gosh DARN it,
that is interesting.
The Big Bang Theory Season 11, Episode 13
Oh, DARN, that's wrong!
The Big Bang Theory Season 4, Episode 5