What is the meaning of Slapp? 
                            
                             first/third-person singular past indicative of sleppa 
 
            
                                    
                             slack, loose, limp, lax 
 
                             flaccid, flabby 
 
                             lazy, indolent, sluggish, insipid, weak 
 
            
                    
                             simple past of slippe 
 
                             imperative of slappe 
 
            
                    
                             slack, loose, limp, lax 
 
                             flaccid, flabby 
 
                             lazy, indolent, sluggish, insipid, weak 
 
            
                    
                             past of sleppa 
 
            
                                    
                             (too) relaxed and soft
- loose, sagging, limp  
                            
 loose, sagging, limp 
 
                             lazy, lacking energy or vigor 
 
            
                    
                             past indicative of slippa 
 
                             ↑  slapp in Svenska Akademiens ordbok (SAOB) 
 
            
                
         Source: wiktionary.org