A tear tattoo under the eye has come to mean a few different things. It can symbolize mourning or sadness, signifying that someone has gone through a difficult time in their life. It could also be an expression of loss, such as a lost loved one, or a remembrance of a difficult time that has passed. It could also be used to express a rebellious attitude, or a signal that someone is unafraid of physical pain or hardship. Overall, it is a reminder to take life seriously and find a way to make it meaningful.