Your long, flowing hair reaches down to your waist, which simply means that your waist is as slender as a single strand of hair.

In this delightful couplet, the poet pays a playful and witty compliment to the beloved's delicate beauty. Seeing her long, cascading tresses reach down to her waist, he cleverly reasons that her waist itself must be as impossibly slender as a single strand of hair. It captures the charm of classical Urdu poetry, where clever wordplay and gentle exaggeration turn physical admiration into pure artistic affection.