We shall show your tresses on the Day of Judgment, whoever asks for the name of the black-haired ones.

This couplet is a breathtaking declaration of eternal love and beauty. Mir Taqi Mir elevates the beloved's dark tresses (zulf) from mere physical beauty to something cosmic and unforgettable. To mention them on the Day of Judgment (Mahshar) suggests that their beauty, their charm, and the memory of them are so profoundly impactful that they will be recorded in the divine ledger. It's a dramatic boast that the lover's devotion transcends even the boundaries of time and death.