DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   yip
       n 1: a sharp high-pitched cry (especially by a dog) [syn: yip,
            yelp, yelping]
       v 1: bark in a high-pitched tone; "the puppies yelped" [syn:
            yelp, yip, yap]