The cheap but tasty mobilized fast food stand strategically located throughout the streets of Manila.
Remember their roast beef sandwiches? And those P 10.00 burgers with coleslaw (or "ko-les-lao", as I jokingly pronounced it then). :-p

ADDENDUM (November, 2011): After a good number of years, BURGER MACHINE have
revived their roast beef sandwiches that are now priced at Php 50.00.