The song Tee Shirt by Jess and Gabriel is about the feeling of being infatuated with someone and constantly thinking about them. The lyrics describe how they imagine the person they like waking up in the morning and thinking of them, and dreaming about them at night. The song goes on to describe how they spend their day thinking about that person, even going as far as keeping their message and never deleting it. The lyrics also touch upon the idea that sometimes, others may not understand the true weight of someone's words and the impact they can have on another's mind. Overall, Tee Shirt is a love song about the intense feelings of infatuation and longing for someone, and the hope that they feel the same way.