Definition.com
Junk food is bad for you — eating it is basically digging your grave with your own knife and fork.
Definition.com
Junk food is so full of chemicals you shouldn't be able to buy them without a prescription .
Definition.com
Junk food is cheap, satisfying, flavorsome victuals used as a substitute for real food and consisting mainly of salt, fat and sugar, deep-fried to bring out their full atherosclerotic potential.