subs. (pugilistic).A blow in the side or stomach, causing a man to bend from pain or lack of wind. Cf., DOUBLE UP, sense 1. For synonyms, see DIG.
1810. New-York Evening Post, 1 May, 3/1. In the subsequent rounds he gave Powers a DOUBLER in the body.
1821. The Fancy, vol. I., p. 255. In the fourth round he came in all abroad, and got a DOUBLER in the bread-basket, which spoiled him for the remainder of the fight.