Well, generally speaking, sharing drink with someone else, it can not spread pink eyes. As we know that pink eyes is an infection of the eye or eyes which can lead to redness, itching, irritation, and a characteristic creamy discharge in your eyes. Also, pink eyes can be contagious. So you should not be sharing an object, such as a washcloth or towel, with a person who has pinkeye can spread the infection. In other words, by sharing washcloth, they can carry many bacteria, so that it can lead to infection to your eyes, even the pink eyes, for our eyes are very sensitive to the infection. so just be careful about it.