horse around<美俚>胡闹; 鬼混; 玩弄; 闹哄

【例句】
I horse around quite a lot, just to keep from getting bored.
我胡闹了一阵儿, 只是为了摆脱厌烦.

Young or old, male or female should not horse around.
不管年轻或老，是男是女，都不该胡闹捣蛋。