ぶっつけちゃう
打っ付けちゃう
buttsukechau

Ichidan Verb
Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of ぶっつける

1. Start attacking; Start doing (something abruptly); Begin to fall into (a state)

Completed Action
Colloquial
Usually Written in Kana