Come on, mates. Put your backs into it.
3 seconds sound clip from the The Secret of NIMH (1982) movie soundboard.
You can hear this line at 01:04:17.353 in the Blu-ray version of the movie.
Quote context
[...]
- Nicodemus is cooperating beautifully.
- Jenner.
- Standing in just the right spot.
- When that block reaches midway, you cut the line!
- Don't get any ideas, my friend. You're in this up to your neck.
- Come on, mates. Put your backs into it.
- Ready with the knife. Ready. Cut now.
- Now!
- I...
- Cut!
- No!
- Okay, help me. You've gotta hurry. That's it.
[...]