2063110 jmdict A [id=2280335]
ぶち開ける；ぶち明ける；ぶち空ける；打ち開ける；打ち明ける
ぶちあける
[1][v1,vt][rare]
  to forcefully open up (a hole\; in a wall, etc.)
[2][v1,vt][rare]
  to speak frankly; to open one's heart
  [see=1588130・打ち明ける・うちあける[1]]
[3][v1,vt][rare]
  to throw out (everything inside); to empty (e.g. a box)