a. Obs. rare. [f. BROCK sb.1 (2) + -ISH.] Like a brock or badger; beastly, dirty.
1546. Bale, Eng. Votaries, I. (1550), 8 b. Those brockish boores haue gone frely foreward without checke. Ibid. (1550), Apol., 64. O brockyshe Gomorreane! Ibid. (1553), Vocacyon, in Harl. Misc. (Malh.), I. 351. So brockish a swine as he was.