Hi-Five's song "What Are You Doin' Tonight" is a romantic love song about a man who has been thinking about a woman and finally gets the chance to be alone with her. The lyrics describe the man's desire to make a move on the woman and show her that he is in love with her. He reflects on the first time they met and how he was too shy to pursue her, but now he can't afford to miss another chance with her. The chorus repeats the question, "What are you doing tonight?" as the man tries to convince the woman to spend the night with him and let him prove his love for her. Overall, the song is about seizing the opportunity to express one's true feelings and take a chance on love.