to cut something into pieces

to suddenly move your car sideways in front of another car that was in front of you, leaving too little space

I got/was cut up several times on the motorway this morning - I've never seen such dangerous driving! 今天早上我在高速公路上好几次被人抢超车——我从没见过这么玩命驾车的！

Compare: cut in (DRIVE)

to behave in a very active and silly way in order to make people laugh

There are a couple of kids who are always cutting up in class. 有一两个孩子总是喜欢在课堂上恶作剧。