Stop it!" in a loud voice. Then walk away, or run if you have to. Kids also can stand up for each other by telling a bully to stop teasing or scaring someone else, and then walking away together. bullies can cause lasting physical damage to other kids.
Citations for Information
Website: https://www.reddit.com/r/socialskills/comments/109hae6/how_do_i_talk_back_to_a_bully/?rdt=54389
Website of the Gif: Royalty Free Clip Art: https://www.istockphoto.com/en/photo/stop-bullying-gm688306934-126688233