Teri Ankhon Pe Mar Gaya" is a poignant song that expresses the depth of love and admiration someone feels for their beloved's eyes. The song captures the intense emotions of being captivated and overwhelmed by the beauty of a lover's gaze, to the extent that it feels like falling in love all over again, or even losing oneself in their eyes. It's a romantic and emotional piece, often associated with themes of passionate and undying love.