A lot of conversation means there was a significant amount or abundance of talking, discussing or communicating between two or more people. Full definition
Wow, I randomly read through some of the comments associated with this awesome recipe and holy cow that's a whole lot of conversation about high school. (thehealthymaven.com)
Make first lots of conversation with them before the dates. (adultfindout.com)
It took lots of conversations over the course of years for us to reach a place where we both felt comfortable. (theeverygirl.com)