The Big Apple:

An etymological dictionary

Investigating the origins of American words, names, quotations and phrases. Over 41,000 entries.

“Cheese is the adult form of milk”

"Cheese is the adult form of milk, no longer liquid but solid or semi-solid" was written by André Simon in his book Cheeses of the World (1956). The line is more frquently credited,…

“Diet is a four-letter word”

A "four-letter word" usually means a profanity. "Diet" is a four-letter word (that is, something profane and not to be discussed) for certain people who like to keep their food…