We say what's up because it is catchy and cool. Also because we couldn't think of a different greeting!
"tahst whats up" lol -_- ;)
You say whats up?
Whats up can be loosely translated as "Wie gehet's"
weel everyone should know that dah on mars and hey whats up?
give her a compliment or say, "hey, whats up?"
just say hi or hey. then maybe whats up
Que Pasa (KA-PASA
whats up crazy
Que tal, princesa?
you say hey whats up?
BY keeping everyone up to date and knowing whats going on in the world
It's something like... Pen Ngai?