Mad as a March hare.
2 seconds sound clip from the Invasion of the Body Snatchers (1956) movie soundboard.
You can hear this line at 01:19:01.203 in the Blu-ray version of the movie.
Quote context
[...]
- You don't believe a word of this, do you? Sure, it's fantastic but it happened.
- What do you think, will psychiatry help?
- If all this is a nightmare, yes.
- Of course it's a nightmare. Plants from another world taking over human beings
- He ran his truck through a red light. Greyhound bus smacked him broadside and tipped him over.
- Will you take over Bennell for me, doctor?
- Both legs and left arm broken all to bits.
- We had to dig him out from under the most peculiar things I ever saw.
[...]