Originally a jewish saying which was commandeered by the famous television series "Star Trek" when jewish actor Leonard Nimoy used it as the Vulcan salute. It's now used as way for us nerds and sci-fi lovers to say goodbye in a different, more permanent way.
Friend moving away to another country - "i'm gonna miss you, man". Nerd - "Live long and prosper"
A boy with a lovely smile who is a bit of a player but lowkey gets all the girls. He knows how to make the girl he wants to fall in love with him but might take her for granted when she does. Very good kisser and will satisfy you very well although he’s a bit stuck in his ways.