(added to verbs) A person or thing that does an action indicated by the root verb; used to form an agent noun. · (added to verbs, informal) A person or thing to which the root verb is done or can be done satisfactorily.
1US, slangSomeone who drinks a B-drink; a young woman hired to sit at a bar and induce the customers to buy her drinks, or spend money at the bar; a B-girl.