The song Wellerman is a traditional New Zealand sea shanty that dates back to the 19th century. The song tells the story of whalers waiting for a supply ship, the Wellerman, operated by the Weller brothers, a family of New Zealand merchants. Its lyrics describe the difficult work of hunting whales and the hope of receiving supplies such as sugar, tea, and rum. The song became widely known around the world after a viral social media trend in 2021, which introduced the traditional shanty to a new generation of listeners.