What Does ' Rainbow Kiss ' Mean On TikTok The Viral Slang Term Multicolored arc Love Peck : Representing glee and variety, the colorful smooch holds profounder significances. This magical fusion of colors and sentimental gesture communicates passion deeply. Whether it represents optimism, dignity, or solidarity, the rainbow kiss meaning moves hearts. Embrace the vibrancy and express the passion with a delightful vibrant peck.