A casual sentence-ending phrase meaning 'just kidding' or 'not serious', used after a joke or teasing remark.
明日テストがないよ、なんてね。実はあるんだ。
There is no test tomorrow — just kidding. Actually there is.
宝くじで一億当たったら仕事辞めるよ、なんてね。
If I won 100 million on the lottery I'd quit my job — just kidding.
『今日全部奢るよ』って言われて喜んだが、『なんてね』で台無しになった。
I was happy when someone said 'I'll treat today,' but it was ruined by 'just kidding.'