話はなしが弾はずむ

expression, godan verb (-mu)

the conversation becomes lively; the talk gets animated

Describes a conversation that picks up energy and flows naturally, often when people find a shared interest or topic.

• 趣しゅ味みの話はなしになると、急きゅうに話はなしが弾はずんだ。

  When the topic turned to hobbies, the conversation suddenly became lively.

• 久ひさしぶりに会あった友とも達だちと話はなしが弾はずんで、時じ間かんを忘わすれた。

  I got so caught up in an animated conversation with a friend I hadn't seen in a while that I lost track of time.