The song "Roaring Thunder" by John Mark McMillan is a poetic expression of the impact and intensity of love. The lyrics describe a person who enters the singer's life like a powerful force, leaving a lasting impression. This person brings joy, laughter, and a sense of freedom, but also fear and uncertainty. The singer feels overwhelmed by the presence of this individual, as they defy expectations and challenge the singer's beliefs about love and freedom. The phrase "running over everything I tell myself" suggests the singer's struggle to reconcile their own thoughts and desires with the overpowering presence of this person. They question whether this person is transforming their heart and causing them to question their own beliefs about love and relationships. The lyrics also convey a sense of being consumed by this person's presence. The mention of flooding the house and turning the walls out represents the overwhelming and all-encompassing effect of their presence. The tremors in the singer's body indicate the physical and emotional impact of this love. The song suggests that this person is so extraordinary and unique that the singer could never have imagined or dreamed them up. Their presence is compared to roaring thunder, symbolizing power and unpredictability. Overall, "Roaring Thunder" portrays a love that leaves the singer both overwhelmed and fascinated. The lyrics capture the intense emotions and complex dynamics of a relationship that has shaken the singer's world.