When someone is talking to you and watching something that isn't your eyes that you wish they weren't.
I.e: pervy old men talking to your breasts FOR CRYING OUT LOUD MY EYES AREN'T IN MY TITS - I THINK I'D BE ON EVERY NEWSPAPER IN THE WORLD IF THEY WERE
To text with Mexicans, or to send pictures that relate to Mexican things, such as sending a picture of yourself wearing a sombrero. It is a very large concern among parents worried about their teens, often compared to Sexting
Fox News: Is your child part of the phenomenon sweeping the teen world known as Mexting? Find out tonight on Glenn Beck.