An example of fast food is a McDonald's cheeseburger.
She pushed fast food trash from the passenger seat.
In route, he pulled into a fast food drive-through and ordered two hamburger meals.
Your husband won't become malnourished from an occasional fast-food dinner.
The sea shore is too far to the east so I fear she'll be remanded to a roadside bier of Kudzu and discarded fast food wrappers.
There are a zillion fast food restaurants around here.