Let me humbly proffer my translation ))

Once there was a milliner 
Whose stitches were adored. 
But one day she took to Nevsky
And became a wh...

Nevsky is short for Nevsky Prospekt (Nevsky Avenue) in the city of St.Petersburg, which is the main thoroughfare in the city lying on the Neva river and pierced by innumerable canals, hence the name 'Nevsky'.