stupid sun of a...
Kamusta?kamusta can also mean how are you? but some Filipinos use kamusta as a greeting.
YO HOMIE WHAT HAPPENIN!? And so on.....
There's no definite tagalog translation for 'hi'.. It can mean 'mabuhay' but you don't exactly say 'mabuhay' when meeting a friend, do you? 'Hi' is more an informal greeting... something you would...
Just return the greeting, even if it's just someone passing on the street .