Tans is a term used to describe someone of a British Background or decent.It is a term used mostly by Irish People as the British soldiers i.e. Black and Tans,the color of their uniforms during the Irish independence 1921 would ran-sack villages and towns of people who didn't deserve it at all.It is used for offense today as a insult to a British person
Efforts to darken the shade of human skin, either by natural means (direct exposure to the sun), artifical products (self-tanners), or enhanced exposure to simulated sunlight (tanning beds). Excessive tanning is likely associated with skin cancer.
"Orange alert! Paris should really stop going to the salon to fake and bake - instead of wasting her time tanning, she should work for world peace."
Girl 1: Lyke I'm so pale, wanna go tanning this afternoon?
Girl 2: No thanks, I'd rather spend the day outside instead of wasting my money... stupid bitch.