butt against

(verb) lie adjacent to another or share a boundary. Synonyms: border, adjoin, edge, abut, march, butt, butt against, butt on. Examples: "Canada adjoins the u.s.." "England marches with scotland."

(verb) collide violently with an obstacle. Synonyms: run into, bump into, jar against, butt against, knock against. Example: "I ran into the telephone pole."