oney plays RUINED MY LIFE

there’s this guy in my lunch period and I have ZERO problem hanging around him but sometimes he randomly gets up and does the stupid fucking oney plays dance (the one where he jumps and claps his belly) while singing the song and it’s so scary because he’s just flailing around in a room with a bunch of other highschoolers. how do I tell him to stop without being mean because the last time I told him not to do something he cried sos