More fully Brutus wig: a kind of wig. The rough-cropped head then fashionable was called a Brutus by the French, after the great hero of antiquity whom they specially reverenced. Fairholt (ed. Dillon), I. 408.
1851. Mayhew, Lond. Labour, III. 5 (Hoppe). He wore his hair with the curls arranged in a Brutus à la George the Fourth.
1857. Geo. Eliot, Sc. Cler. Life, Janets Rep., II. 189. Old Mr. Crewe, the curate, in a brown Brutus wig, delivered inaudible sermons on a Sunday.