Doing damage. A term applied to a person’s cattle or beasts found upon another’s land, doing damage by treading down the grass, grain, etc. 3 Bl. Comm. 7, 211; Tomlins. This phrase seems to have been introduced in the reign of Edward III., in place of the older expression “en son damage,” (in damno suo.) Crabb, Eng. Daw, 202.