slang
n. The speech of one who utters with his tongue what he thinks with his ear, and feels the pride of a creator in accomplishing the feat of a parrot.
n. A means of building a column of wit without a capital of sense.
n. The grunt of the human hog.
Cynical Quotations
Slang is a deliberate invention by professional smart-aleks, college boys, reporters, newspaper men, and other dubious characters.
— H.L. Mencken