“All slang is metaphor, and all metaphor is poetry.”
G. K. Chesterton
“The one stream of poetry which is continually flowing is slang.”
“Slang is a language that rolls up its sleeves, spits on its hands, and goes to work”
Carl Sandburg
“The downtrodden, who are the great creators of slang.”
Anthony Burgess
“And David put his hand in his bag, and took thence a stone, and slang it, and smote the Philistine in his forehead, that the stone sunk into his forehead; and he fell upon his face to the earth.”
Bible
“Slang in a woman's mouth is not obscene, it only sounds so”
Mark Twain
“I've found that there are only two kinds that are any good: slang that has established itself in the language, and slang that you make up yourself. Everything else is apt to be passé before it gets into print.”
Raymond Chandler