DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   bumpy
       adj 1: causing or characterized by jolts and irregular
              movements; "a rough ride" [syn: rough, rocky,
              bumpy, jolty, jolting, jumpy] [ant: smooth]
       2: covered with or full of bumps; "a bumpy country road"