butt against in WordNet English dictionary

1. lie adjacent to another or share a boundary
   "Canada adjoins the U.S."; "England marches with Scotland"
   border  adjoin  edge  abut  march  butt  butt against  butt on 
   
2. collide violently with an obstacle
   "I ran into the telephone pole"
   run into  bump into  jar against  butt against  knock against