That's a hell of a trick.
3 seconds sound clip from the The Nutty Professor (1996) movie soundboard.
You can hear this line at 01:22:23 in the Blu-ray version of the movie.
Quote context
[...]
- Cellular destabilization clue to arrive in exactly three, two, one...
- Hey, Moneybags, you want a demonstration? Well, then feast your eyes on this.
- Ladies and gentlemen, for my final demonstration...
- Look out, David Copperfield. I'm about to make a 400-pound fat man disappear forever!
- No! Wait! I cannot let you do this anymore! This has got to stop!
- This man is trying to kill professor Sherman Klump!
- That's it. I'm glad I brought my knife.
[...]