What does the nose-picking expression pack mean?

Silence and boredom. Speechless, disdainful and indifferent: Pick your nose to express your feelings of being speechless, disdainful and indifferent. So picking your nose expression pack means that you already know something, or feel helpless or unable to respond to what others say. Boredom: picking your nose is also a sign of boredom, so picking your nose expression pack can also be used to express boredom or boredom with something or a situation, indicating that you are not interested or bored.