Laughter--an interior convulsion, producing a distortion of the features, and accompanied by inarticulate noises. It is infectious, and though intermittent, incurable.
Noise: a stench in the ear.
NOISE, n. A stench in the ear. Undomesticated music. The chief product and authenticating sign of civilization.
PHONOGRAPH, n. An irritating toy that restores life to dead noises.