Talks or stories about past memories; reminiscing about past events.
同窓会で昔の思い出話に花が咲いた。
At the reunion, everyone animatedly reminisced about the old days.
祖父は若い頃の思い出話をよくしてくれる。
My grandfather often tells stories about his youth.
旅行中の写真を見ながら思い出話をした。
We looked at travel photos and talked about our memories.