TikTok reacts to viral ' rainbow kiss' trend with instant regretMulticolored arc Heart Smooch Heart: Symbolizing joy and variety, the rainbow kiss holds greater meanings. This charming fusion of colors and emotional gesture communicates love from the heart. Whether it stands for hope, pride, or unity, the significance of the multihued embrace stirs innermost beings. Embrace the vibrancy and share the passion with a delightful colorful smooch.