"Darn tooting, I do.
The Big Bang Theory Season 3, Episode 16
Darn it.
The Big Bang Theory Season 12, Episode 8
Darn.
The Big Bang Theory Season 6, Episode 1
Darn it, I do like
objects that hover.
The Big Bang Theory Season 11, Episode 15
You're DARN right, you wouldn't.
The Big Bang Theory Season 10, Episode 4