Grog (?), n. [So named from “Old Grog” a nickname given to Admiral Vernon, in allusion to his wearing a grogram cloak in foul weather. He is said to have been the first to dilute the rum of the sailors (about 1745).] A mixture of spirit and water not sweetened; hence, any intoxicating liquor.
Grog blossom, a redness on the nose or face of persons who drink ardent spirits to excess.