The dog is on its last legs.
2 seconds sound clip from the Short Circuit (1986) movie soundboard.
You can hear this line at 00:22:32.443 in the Blu-ray version of the movie.
Quote context
[...]
- He doesn't look sick. You look sick.
- What do you come back here for anyway?
- What is this? Quinn's medical research? You slimebag!
- The dog is on its last legs.
- Very funny. Why don't you get the hell outta here?
- You know what I figure? I figured you owe me some money so I'm just here to collect.
- I supported you. That was my money you used to buy your big red dorkmobile.
- No! Damn it! Hey! Hey! Hey! Hey! Do not hit that car.
[...]