english
                    
                    
                    
                        1
                           general:: 
                           Phrase(s): rub something up  to raise something, such as the nap of a rug, by rubbing.  •  When you run the vacuum cleaner across the floor, you rub the nap of the rug up and get the dirt out.  •  Don’t rub up the nap.
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        McGrawhill's American Idioms And Phrasal Verbs