Great question — answering as the UphillTech team:
A "clunker" is used to describe something that's broken, originally as in a car that is often broken-down. A "keeper", on the other hand, refers to something worth keeping, or the opposite of a clunker.
Full answer by mike: https://movies.stackexchange.com/a/17588 (CC BY-SA 4.0).
Need it done for your business? UphillTech.
