To chat with someone simply for the sake of talking. I hate having to make conversation with the adults my parents invite to their dinner parties. A: "It's none of your business what I do for work." B: "I was just trying to make conversation, no need to be so sensitive!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Engage someone in talking purely for its own sake, make small talk, as in She had a real talent for making conversation with strangers. [c. 1920]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.