Be careful, Frank! He might tear your arm off.
5 seconds sound clip from the Gremlins movie soundboard.
You can hear this line at 01:06:25 in the Blu-ray version of the movie.
Quote context
[...]
- Patriotic little fellow, ain't he? Waving the flag and everything.
- Be careful, Frank! He might tear your arm off.
- You want me to put the cuffs on him?
- Tell me something, will you. How come a cute guy like this can turn into a thousand ugly monsters?
- You see, this is before it enters the pupal stage. It multiplies with water.
[...]