1
                           general:: 
                            Phrase(s): run along 
to leave.  •  Please run along and leave me alone.  •  I have to run along now. Good-bye.
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs
                        
                        
                    
                    
                        2
                           general:: 
                            Go away, leave, as in I'll be running along now; I'm already late. This expression is Also used as an imperative to tell someone to go away, as in Run along, children, I have work to do. [Early 1800s]
                        
                        
 
                        
                            American Heritage Idioms