Stop fooling around!
"fool around" 就包括追逐打闹,你撩我一下,我碰你一下,吵吵闹闹等意思.
我的学生有时就这样的唉,我不得不扯高嗓门,冲着打闹的学生喊,"Stop fooling around!Where do you think you are?"别闹了!你以为你们在什么地方啊?