Jessie's Girl is the titular love interest in the song by Rick Springfield.
In the song, Rick Springfield is a young man who's pining for his best friend's girlfriend. He's in anguish because he knows that she's attracted to Jessie and barely notices him. The man wants to declare his love for her, but he knows that if he did, she would reject him and he would only succeeed in losing his friend Jessie.
In Popular CultureEdit
Jessie's Girl has gained immense popularity since it's production, appearing in several films and soundtracks. Its most notable incarnation was as a cover song on Glee, where Finn pines for Rachel who just so happens to be dating a boy named Jessie.