the act of itching your nose vigorously until point of embarrassment.
1. acknowledge itching sensation.
2. look around and assure yourself that no one is looking.
3. if someone does happen to be looking, put on a hoodie and some party glasses with a big nose, mustache, and eyebrows
4. after checking your surroundings, make the letter "e" in sign language.
5. curl the letter to a shape that fits your nose.
6. grope you nose in a vertical motion until itching is relieved.
"Man, my nose itches terribly. I sure do need to tat!"
"Have you seen that guy? Every time i look over, he's tatting!"