The exchange was with Curtin and Aykroyd. I didn’t recall it was about Lee Marvin. That helps with the search though. The video and transcript comes up if you Google this:
aykroyd curtin “lee marvin”
I saw someone quote the “when you’re on your back, the meter is running” line somewhere else within the last week. This skit definitely made a lasting impact.
I had forgotten how funny this bit was