
And Heisenberg says,
"Darn it, now I don't know where I am."
The Big Bang Theory Season 10, Episode 21

Darn it, I do like
objects that hover.
The Big Bang Theory Season 11, Episode 15

You're DARN right it's fair play,
you selfish jerk!
The Big Bang Theory Season 9, Episode 23

Oh, DARN it, now so am I.
The Big Bang Theory Season 7, Episode 4

Darn.
The Big Bang Theory Season 6, Episode 1