Some of my favorite(not only) fast food orders:

Jack in the Box:
2 Tacos (no sauce)
A lrg. Coke

McDonalds:
Double Cheesburger combo with a coke
or a Mcnugget combo
or a kids meal

In 'n Out:
Hamburger (sub ketchup & mustard for special sauce and grilled onions)
Fries
Medium Coke

Taco Bell:
2 Tacos (sometimes xtra cheese)
Enchirito (sometimes no beans)
medium Pepsi

Wendy's:
Number 2 combo plain with a Coke
or a Hamburger Kids meal

Carls Jr.:
Chili Cheese Fries
Western Bacon Cheeseburger
Medium Coke

Del Taco:
2 Tacos (xtra cheese...mmmmm)
Small fries
Medium Coke

Burger King:
Double Cheesburger
Onion Rings
Frozen Coke

Fosters Freeze:
Corn Dog
Onion Rings
Heart attack
Frozen Lime drink

El Pollo Loco:
2 or 3 piece meal with rice and corn or fries and corn (depending on if they hear me correctly)

KFC:
Usually some ridiculous special where I end up buying 10 pieces of chicken for 7 bucks or so
mash potatoes
corn
(sometimes potatoe wedges)
(I've gotta try the mac and cheese)

Boston Market:
(Been too long/ imformation not available at this time)

Panda Express:
2 item combo
Steamed rice/ chow mein
Orange chicken
either pork ribs, bbq pork, veggie rolls, manderine chix, or some special of the day
coke

Quizno's:
small Meatball sandwich on white
small chix noodle soup
cookie.......mmm, cookie

California Chicken(I know. It's not fast food, but I luv it):
Quarter or half a chicken
vegetable soup
rice
(sometimes mash potatoes)

Tito's Tacos:
It's all good, always

mmm...