Jon Tupi

A Local name for beanie hat in Bangladesh.
Tupi (/টুপি/) means Hat.

Context:
Mr. Jon Kabir introduced beanie hats in Bangladesh, slouchy beanies to be specific. As a macho, he pulled off beanies like no one else and slaying to this date.

Back to the story, as a trailblazer for beanie— it got popular overtime and started to become known as "Jon Tupi" and soon it took over the scene being "Jon Tupi" here.

- Are you wearing Jon Tupi?

- No, it's a beanie!