Definition of "roister" []

• To engage in boisterous merrymaking; revel noisily. (verb-intransitive)
• To behave in a blustering manner; swagger. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I talked him out of it that time, and he got to workin 'on the Fish Patrol, runnin' down the very guys he used to roister around with."
• "They keep inviting him out to hunt with them, to go drinking in the ale houses, to roister round the streets in masks, and he, nervously, declines."
• "Ay, you must know that my husband, he drank, loafed round the parish to roister and prate, wasted and trampled our gear under foot."