no u battle

It's a kind of battle, where someone starts of by Person 1 calling Person 2 a word like amazing or cute

Then Person 2 replies "No u!", and Person 1 will reply back with "No u!"

It continues like that until one of them gtg or a 3rd person joins and says "Both of you"

Person 1: "You are a cutie"
Person 2: "No u!"
Person 1: "No u!"
Person 2: "No u!"
Person 1: "No u!"
Person 3: "Both of you"
*end of no u battle*