A young, loud, boisterous, male prone to excessive alcohol consumption, aggression and immature, obnoxious behaviour. Monkey boys are generally of middle to upper class origin and have a preference for either preppy or jock attire and hairstyles.
Female college students with any level of sophistication avoid fraternity parties because most frat parties are filled with monkey boys.
To chase and beat someone up as if they had just took your bags and shit while you were preoccupied
“Yo, I monkey boyed the shit out of this dude I bumped into at the club last night”
“Was he stealing your shit or something?”
“No, but he was talking shit at me and I just completely lost it”
“Understandable.”