说你二B对不起橡皮
[shuō nĭ èr b duì bù qĭ xiàng pí]
Literally means 'Calling you idiotic is not respectful to erasers.' The term 二B ('idiotic') in Mandarin often contains the same pronunciation with '2B', and this type of pencils usually has eraser, thus 'Eraser apologizes for this offensive insult'. In a humorous way, expressing the owner's humility or self-deprecating attitude toward himself being a fool or funny.