prefix
forcefully; violently; emphatic prefix
Emphatic prefix attached to verbs, adding a sense of force, violence, or intensity. Similar to ぶっ, but ぶち is used before certain sounds. Colloquial and expressive.
彼は怒ってドアをぶち壊した。
He got angry and smashed the door.
その話を聞いて、ぶちのめしてやりたいと思った。
Hearing that story, I felt like beating him up.