ROISTER

Roist″er (?), v. i. [[Probably fr. F. rustre boor, a clown, clownish, fr. L. rustucus rustic. See Rustic.]] To bluster; to swagger; to bully; to be bold, noisy, vaunting, or turbulent. I have a roisting challenge sent amongst The dull and factious nobles of the Greeks. Shak.