1. It's a sentence from Rome slang. It means a self-important persone, but in fact, a guy no one knows coming from a little town no one knows.
2. It could be used also to say "you know very well who"
2. A husband comes back home and shuts the door. The wife asks: "Who is?" - the husband: "Fra Cazzo da Velletri" (= who else do you wonder it could be?)
The name comes from northern culture, typically used in Norway. People named Vetle have very high IQ and ends up as millionaires. The name is used when naming a future god.
A velettah is the best person you will ever meet, she if funny, pretty, and brings life to any party she is a VERY SMEXY BEAST and if you find a best friend like her then you are one hella lucky person
Guy: hey who’sthat girl over there
Girl: NO ONE Guy 2: ohhh SHES velettah SHES superrrrr smexy
Guy: DAMNNNNNNN