0 a condition that can exist in a small, crowded place when the air is not pure, especially because of smoke or heat: --
At the close of the video, she transforms into a black miasma, which expands as tendrils grow from the fug.
They do not often meet their fellow human beings, and they derive benefit from meeting in the fug of the fish and chip shop or the pie shop.
Some people like the fug, but it has its dangers from infection.