the art and science of making munchies

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

the science and technique of making munchies.

Ancient Greek: -λογία

Medieval Latin: -logia

French: -logie

-logy: A subject of study or interest; A branch of knowledge; A science.

Munchology:
The study of steady or vigorous audible chewing.