"Officially Missing You" is a heartbreak song that expresses the pain of missing someone you love. The lyrics describe the feeling of being unable to escape the sadness and longing that comes with a breakup. The protagonist is overwhelmed by feelings of loss and emptiness, unable to move on from the memories of their past relationship. The song reflects on the sweet moments shared between them, the things they used to do together, and the comfort they once found in each other. However, now that they're apart, the protagonist is left with nothing but tears and the sound of raindrops falling on the rooftop. Despite the pain and despair, the protagonist still wishes that their ex would come back to them. They hold onto hope that they could find a way to reconcile and move forward together. However, the song ultimately conveys the sadness of knowing deep down that their relationship is over for good.