basically a stupid whore, who pretends that they are loved and are cool. They are also a disappointment to everyone in their life. This word can also be made a verb, i.e. vieushter, or vieushting.
That fat Indian kid you find in every class that is super annoying but follows the cool kids everywhere, thinking he is super cool and has millions of friends but really he has none. A Vathshan will always be the dumbest in the class and will end up being a bin man when he's older.
Cool kid 1: You see that fat kid over there?
Cool kid 2: The Indian one?
Cool kid 1: Yeah fam. He's been following us around all day.
Cool kid 2: He's probably just a Vathshan
a slang word derived from the sri lankan language, tamil
It literally means king,awesome,crazy. it has now been commonly used to describe a great champion that excels at what he or she does.