Hello, Mister!

"Hello, Mister!" - that's what I hear here quite often while walking on the streets. Indonesian kids (and not only kids) obviously use "Hello, Mister!" indistinctively for male or female. Male or female foreigners, that is. In very seldom cases it means: "Hello, I'm interested in a conversation with you. Could we share and compare some points of view from different sides of the world?"
After ten months of traveling, I have identified several more meanings of "Hello, Mister!".
(Note: "Hello, Mister!" is a synonym for "You from?" or "Yes, Madam?". It just depends where you are.)
"Hello, Mister!" can mean: "Hey. You are a foreigner. I see that." It is used very much the same way you say "Woof woof" when you see a dog. Yeah thanks, I know that I look different from you.
Then there's the "Hello, Mister!" that's "Buy something from me. You're a foreigner, you have to have tons of money and I don't care if you need or even WANT something. Just buy it from me." Which often brings me in a dilemma, because I do have much more money than most of the street sellers here, but I don't have infinite money, I have a very limited backpack and I have a quite defined taste, too.
And then unfortunately I often find also this meaning of "Hello, Mister!": "You are a woman traveling on your own? Then you must be very interested in making out with local men. Plus, in paying me money, and buying me food and drinks." - No, I'm NOT. Period.

Mostly, it's not as bad as that. But on some days I have the impression I've said "Hello" to more strangers on this trip than I did to friends in my whole life...