气 angry 得 to such an extent that 打 sb 一拳 threw a punch at sb The sentence means he was so angry that he threw a punch at me. In other words, he gave me a punch out of anger.

He's very angry with you and can't stand your behaviour.so 他气得打你一拳，you simply say 气得打nobody knows what do you mean.

这个句子划分做得不对。应该是： 他--气得--打了我一拳。“得”是程度或结果补语即将出现的标志。”打了我一拳“是生气的结果。

气得打 means that he has beat you angryly.

Means hit sb because of indignation