
1) American invention 2) Burgers and fries, often 3) Burgers and fries, typically 4) English invention 5) Subway fare 6) Takeout, often
Found on
https://www.crosswordclues.com/clue/fast-food

YO YO YO YO YO YO YO YO YO YO YO YO YO YO MAMA! ...
Found on
http://en.wikipedia.org/wiki/Fast_Food

Fast food is the term given to food that is prepared and served very quickly, first popularized in the 1950s in the United States. While any meal with low preparation time can be considered fast food, typically the term refers to food sold in a restaurant or store with preheated or precooked ingredients, and served to the customer in a packaged fo...
Found on
http://en.wikipedia.org/wiki/Fast_food

According to the Oxford English Dictionary, the first documented use of "fast food" in reference to a restaurant came in 1951 in an article in a trade journal called "Fountain and Fast Food Service." Fast food seems to have been originally applied to restaurants and catering businesses that served "steam table"...
Found on
http://whatscookingamerica.net/Glossary/F.htm

[
n] - inexpensive food (hamburgers or chicken or milkshakes) prepared and served quickly
Found on
http://www.webdictionary.co.uk/definition.php?query=fast%20food
noun inexpensive food (hamburgers or chicken or milkshakes) prepared and served quickly
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.