Text messaging is an exciting way of communication between text-worthy couples. You can have fun by exchanging sex messages with your partner, especially when she is far away from you. A couple now can send each other their sexually-explicit photos, videos, and text messages in an instant. Sexting is now extremely common among adults.
Literally, to eat something, especially to eat all of it. Often used as an imperative. I know lasagna isn't your favorite, kiddo, but if you want dessert, you've got to eat it up. Go on, eat it up. It will make you feel better.