Obs. rare. [Identified by Mätzner with OHG. brochôn, mod.G. brocken to break into bits, crumble (bread into milk), used in Swiss in sense to use coarse words: but the sense-history is obscure.] app. To give mouth, speak querulously (perhaps to utter broken language).
c. 1325. Shoreham, 106. Aȝe the crokkere to brokke, Wy madest thou me so.
c. 1386. Chaucer, Millers T., 191. He syngeth brokkynge [so 6 texts, Harl. crowyng] as a nyghtyngale.