noun
time out; truce
Children's language used during play to call a temporary pause or truce, similar to 'time out' or 'King's X'.
タンマ!ちょっと休憩しよう。
Time out! Let's take a short break.
鬼ごっこで疲れたら「タンマ」って言っていいんだよ。
When you get tired during tag, you can say 'truce'.