Atjuu means that u give a weird noise with your nose and someone says either: "Bless you" or "Irww not here you dumbass"
Person 1: "Atjuu" Person 2: "Irww not here you dumbass. Omg you are disgusting"
Person 1: Atjuu" Person 2: "Bless you you dumbass haha"
Person 1: Atjuu" Person 2: "Bless you you dumbass haha"
by Ichbincool March 14, 2018