horseplay

详细解释:n. 喧闹的嬉戏

英语解释：

名词 horseplay:

rowdy or boisterous play

例句：

At first it was only horseplay but it soon got out of hand and developed into full-scale fight.开始那只是喧闹的嬉戏，可是很快就失去了控制，发展成了全面的斗殴。