>> because if one person says something and then it just keeps coming, like you want to know what they are saying. >> another favorite technique for social combat is what teens call a tbr. it stands for "to be rude." if you preference the insult with tbr on social media, it seems like you can pretty much get away with anything. >> 1,000 comments on my instagram. >> zack sent us a video about a tbr he orchestrated against a girl. the sniping went on for 16 hours and involved nearly 1,000 comments. >> i deleted it because i knew you guys were going to be watching me, and i was like they will think i'm a mean person so i deleted all my "to be rudes," wink, wink. don't tell my parents. it was rude. i'll admit. it was rude. she tried to cook me. i cooked her. how it works. [ laughter ] >> so the experts who were following this did actually catch the exchange that you tried to delete.