Webster's Revised Unabridged Dictionary · 1913

Roister

Roister , intransitive verb

[Probably from French rustre boor, a clown, clownish, from Latin 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. — Shakespeare

Roister , noun

See Roisterer.