Used to get fried rice and yaki soba all the time from vendors in Okinawa. Had some yummy lumpias in the Phillipines. Here in the states I'll still get the occasional hot dog, but for the most part I tend to steer clear street food (especially after that time in the Phillipines when I got food poisoning).
Here's a wiki link about street foods from around the world.
Have you purchased street foods since the days you chased the ice cream truck?