Answer:
What has only two words, but thousands of letters?
Meat that has been cured by being cut into long, thin strips and dried
Whipping one of these out in the wrong setting is said to be terrible luck.
I'm a ring of sliced onion dipped in batter and then deep fried.
Often wandering the streets, this group of people cannot afford to be choosers.
A little house full of meat, no door to go in and eat.