Ben rooney is a term used to describe that one kid who always farts in a large group and blames it on the fat mate with the crisps (usually hula hoops).

when you're hungover as shit after a spending a night drunk as a skunk

#BenRooney is often associated with a bellend. They usually have massive arses for a male and like chicks with similar arses. They're shit at science and like wankin over electrics.