The song "Heartbeat" by Buddy Holly is a love song that explores the intense feelings and emotions experienced when being kissed by a loved one. The lyrics express curiosity and wonder about the physical and emotional reactions that occur when in the presence of the person you love. The repetition of the line "Why do you miss when my baby kisses me?" suggests that the narrator is in awe of the impact their partner's kisses have on them. They question why their heartbeat "misses" or speeds up when their baby kisses them, and why that experience lingers in their memory. The phrase "Piddly pat" is an onomatopoeic expression that represents the sound of a heartbeat or the rhythm of a love story unfolding. It emphasizes the excitement and joy that new love brings, as well as the anticipation of a future filled with true love. Overall, the song speaks to the power of love and its ability to create intense emotions and lasting memories. It celebrates the exhilaration of being with someone who elicits such a strong physical and emotional response, leaving the narrator both curious and in awe of the effects of love.