rowdy /ˈɹaʊ̯di/noun 2adjective 1forms 3 noun2 •A boisterous person; a brawler.Carpenter recruited his gang at the saloon, rowdies all. They slept the day, drank well into the evening, and then set off for their pastime. — 2016 •(slang, no longer used) money; ready money. adjective1 •Loud and disorderly; riotous; boisterous. formsrowdies · rowdier · rowdiest