noun
foolish talk; idle talk; nonsense
Casual conversation about silly or trivial things; often used among friends.
友達とバカ話をして笑った。
I laughed while talking nonsense with my friend.
会議中にバカ話をするのはやめてください。
Please stop making idle talk during the meeting.
Compound of バカ (foolish) and 話 (talk, story).