Rainbow Kiss Meaning What is Rainbow Kink What Does it Multicolored arc Kiss : Signifying glee and variance, the colorful smooch holds profounder meanings. This charming fusion of colors and heartfelt gesture communicates affection from the heart. Whether it represents optimism, self-esteem, or unity, the rainbow kiss meaning stirs souls. Embrace the vibrancy and spread the affection with a delightful vibrant peck.